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Robson JC, Tomasson G, Milman N, Ashdown S, Boonen A, Casey GC, Cronholm PF, Cuthbertson D, Dawson J, Direskeneli H, Easley E, Kermani TA, Farrar JT, Gebhart D, Lanier G, Luqmani RA, Mahr A, McAlear CA, Peck J, Shea B, Shea JA, Sreih AG, Tugwell PS, Merkel PA. OMERACT Endorsement of Patient-reported Outcome Instruments in Antineutrophil Cytoplasmic Antibody-associated Vasculitis. J Rheumatol 2017; 44:1529-1535. [PMID: 28864650 DOI: 10.3899/jrheum.161139] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2017] [Indexed: 12/19/2022]
Abstract
OBJECTIVE The antineutrophil cytoplasmic antibody-associated vasculitides (AAV) are multiorgan diseases. Patients with AAV report impairment in their health-related quality of life (HRQOL) and have different priorities regarding disease assessment compared with physicians. The Outcome Measures in Rheumatology (OMERACT) Vasculitis Working Group previously received endorsement for a core set of domains in AAV. Two approaches to measure patient-reported outcomes (PRO) were presented at OMERACT 2016. METHODS A novel 5-step tool was used to facilitate assessment of the instruments by delegates: the OMERACT Filter 2.0 Instrument Selection Algorithm, with a red-amber-green checklist of questions, including (1) good match with domain (face and content validity), (2) feasibility, (3) do numeric scores make sense (construct validity)?, (4) overall ratings of discrimination, and (5) can individual thresholds of meaning be defined? Delegates gave an overall endorsement. Three generic Patient-Reported Outcomes Measurement Information System (PROMIS) instruments (fatigue, physical functioning, and pain interference) and a disease-specific PRO, the AAV-PRO (6 domains related to symptoms and HRQOL), were presented. RESULTS OMERACT delegates endorsed the use of the PROMIS instruments for fatigue, physical functioning, and pain interference (87.6% overall endorsement) and the disease-specific AAV-PRO instrument (89.4% overall endorsement). CONCLUSION The OMERACT Vasculitis Working Group gained endorsement by OMERACT for use of the PROMIS and the AAV-PRO in clinical trials of vasculitis. These instruments are complementary to each other. The PROMIS and the AAV-PRO need further work to assess their utility in longitudinal settings, including their ability to discriminate between treatments of varying efficacy in the setting of a randomized controlled trial.
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Affiliation(s)
- Joanna C Robson
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Gunnar Tomasson
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Nataliya Milman
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Sue Ashdown
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Annelies Boonen
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - George C Casey
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Peter F Cronholm
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - David Cuthbertson
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Jill Dawson
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Haner Direskeneli
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Ebony Easley
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Tanaz A Kermani
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - John T Farrar
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Don Gebhart
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Georgia Lanier
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Raashid A Luqmani
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Alfred Mahr
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Carol A McAlear
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Jacqueline Peck
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Beverley Shea
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Judy A Shea
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Antoine G Sreih
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Peter S Tugwell
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France.,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania
| | - Peter A Merkel
- From the University of the West of England; University of Bristol; University Hospitals Bristol UK National Health Service (NHS) Trust, Bristol; Nuffield Department of Population Health, University of Oxford; Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Division of Rheumatology, University of Ottawa; Division of Rheumatology, The Ottawa Hospital; Department of Clinical Epidemiology, Ottawa Hospital Research Institute; Ottawa Hospital Research Institute, School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; Department of Medicine, Faculty of Medicine, University of Ottawa; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada; Division of Rheumatology, Maastricht University Medical Centre; Caphri Graduate School, Maastricht, the Netherlands; Vasculitis Foundation, Denver, Colorado; Department of Family Medicine and Community Health, University of Pennsylvania; Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; Department of Medicine, University of Pennsylvania; Clinical Medicine, Division of Rheumatology, University of Pennsylvania; Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida, Tampa, Florida; Division of Rheumatology, Department of Medicine, University of California, Los Angeles, USA; Division of Rheumatology, Marmara University, School of Medicine, Marmara, Turkey; Medicine, Hopital Saint Louis, Paris, France. .,J.C. Robson, MRCP, PhD, Consultant Senior Lecturer, University of the West of England, and Honorary Senior Lecturer, University of Bristol, and Honorary Consultant in Rheumatology, University Hospitals Bristol UK NHS Trust; G. Tomasson, MD, PhD, Assistant Professor of Medicine, Department of Public Health Sciences, University of Iceland; N. Milman, MD, Assistant Professor, Division of Rheumatology, University of Ottawa, and Division of Rheumatology, The Ottawa Hospital, and Department of Clinical Epidemiology, Ottawa Hospital Research Institute; S. Ashdown, RGN, RM, Patient-Partner; A. Boonen, MD, PhD, Professor of Rheumatology, Division of Rheumatology, Maastricht University Medical Centre, and Caphri Graduate School; George C. Casey, MBA, Patient-Partner, Vasculitis Foundation; P.F. Cronholm, MD, MSCE, Associate Professor of Family Medicine, Department of Family Medicine and Community Health, University of Pennsylvania; D. Cuthbertson, MA, Division of Biostatistics and Informatics, Department of Pediatrics, University of South Florida; J. Dawson, MA, MSc, DPhil, SRN, SCM, Associate Professor, Nuffield Department of Population Health, University of Oxford; H. Direskeneli, MD, Professor of Medicine, Division of Rheumatology, Marmara University, School of Medicine; E. Easley, Department of Family Medicine and Community Health, University of Pennsylvania; T.A. Kermani, MD, MS, Assistant Professor of Medicine, Division of Rheumatology, Department of Medicine, University of California; J.T. Farrar, MD, PhD, Associate Professor of Epidemiology, Neurology, and Anesthesiology, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania; D. Gebhart, MD, Patient-Partner; G. Lanier, Patient-Partner; R.A. Luqmani, DM, FRCP, FRCP(E), Professor of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford; A. Mahr, MD, PhD, Professor of Medicine, Hopital Saint Louis; C.A. McAlear, MA, Division of Rheumatology, University of Pennsylvania; J. Peck, RN, Patient-Partner; B. Shea, MSc, PhD, Senior Methodologist, Ottawa Hospital Research Institute, Adjunct Professor School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; J.A. Shea, PhD, Professor of Medicine, Department of Medicine, University of Pennsylvania; A.G. Sreih, MD, Assistant Professor of Clinical Medicine, Division of Rheumatology, University of Pennsylvania; P.S. Tugwell, MD, MSc, Professor, Department of Medicine, Faculty of Medicine, University of Ottawa, and Ottawa Hospital Research Institute, Clinical Epidemiology Program, and School of Epidemiology, Public Health and Preventative Medicine, Faculty of Medicine, University of Ottawa; P.A. Merkel, MD, MPH, Professor of Medicine and Epidemiology, Division of Rheumatology, Department of Biostatistics, Epidemiology, and Informatics, and Department of Medicine, University of Pennsylvania.
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Aydin SZ, Direskeneli H, Sreih A, Alibaz-Oner F, Gul A, Kamali S, Hatemi G, Kermani T, Mackie SL, Mahr A, Meara A, Milman N, Nugent H, Robson J, Tomasson G, Merkel PA. Update on Outcome Measure Development for Large Vessel Vasculitis: Report from OMERACT 12. J Rheumatol 2015; 42:2465-9. [PMID: 26077399 PMCID: PMC4668221 DOI: 10.3899/jrheum.141144] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
OBJECTIVE The rarity of large vessel vasculitis (LVV) is a major factor limiting randomized controlled trials in LVV, resulting in treatment choices in these diseases that are guided mainly by observational studies and expert opinion. Further complicating trials in LVV is the absence of validated and meaningful outcome measures. The Outcome Measures in Rheumatology (OMERACT) vasculitis working group initiated the Large Vessel Vasculitis task force in 2009 to develop data-driven, validated outcome tools for clinical investigation in LVV. This report summarizes the progress that has been made on a disease activity assessment tool and patient-reported outcomes in LVV as well as the group's research agenda. METHODS The OMERACT LVV task force brought an international group of investigators and patient research partners together to work collaboratively on developing outcome tools. The group initially focused on disease activity assessment tools in LVV. Following a systematic literature review, an international Delphi exercise was conducted to obtain expert opinion on principles and domains for disease assessment. The OMERACT vasculitis working group's LVV task force is also conducting qualitative research with patients, including interviews, focus groups, and engaging patients as research partners, all to ensure that the approach to disease assessment includes measures of patients' perspectives and that patients have input into the research agenda and process. RESULTS The preliminary results of both the Delphi exercise and the qualitative interviews were discussed at the OMERACT 12 (2014) meeting and the completion of the analyses will produce an initial set of domains and instruments to form the basis of next steps in the research agenda. CONCLUSION The research agenda continues to evolve, with the ultimate goal of developing an OMERACT-endorsed core set of outcome measures for use in clinical trials of LVV.
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Affiliation(s)
- Sibel Zehra Aydin
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Haner Direskeneli
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Antoine Sreih
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Fatma Alibaz-Oner
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Ahmet Gul
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Sevil Kamali
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Gulen Hatemi
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Tanaz Kermani
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Sarah L Mackie
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Alfred Mahr
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Alexa Meara
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Nataliya Milman
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Heidi Nugent
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Joanna Robson
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Gunnar Tomasson
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
| | - Peter A Merkel
- From the Division of Rheumatology, Koc University Faculty of Medicine, Istanbul; Division of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, and Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey; Division of Rheumatology, University of California, Los Angeles, California, USA; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; Department of Internal Medicine, University Paris Diderot, Paris, France; Division of Rheumatology, Ohio State University, Columbus, Ohio, USA; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland.S.Z. Aydin, MD, Associate Professor, Division of Rheumatology, Koc University Faculty of Medicine; H. Direskeneli, MD, Professor of Rheumatology, Division of Rheumatology, Marmara University Faculty of Medicine; A. Sreih, MD, Assistant Professor of Medicine, Division of Rheumatology, University of Pennsylvania; F. Alibaz-Oner, MD, Division of Rheumatology, Marmara University Faculty of Medicine; A. Gul, Professor, Division of Rheumatology, Istanbul University Istanbul Faculty of Medicine; S. Kamali, Professor, Division of Rheumatology, Marmara University Faculty of Medicine; G. Hatemi, Associate Professor, Division of Rheumatology, Istanbul University Cerrahpasa Faculty of Medicine; T. Kermani, MD, MS, Assistant Clinical Professor, Division of Rheumatology, University of California at Los Angeles; S.L. Mackie, BM, BCh, PhD, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; A. Mahr, MD, PhD, Professo
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Robson JC, Milman N, Tomasson G, Dawson J, Cronholm PF, Kellom K, Shea J, Ashdown S, Boers M, Boonen A, Casey GC, Farrar JT, Gebhart D, Krischer J, Lanier G, McAlear CA, Peck J, Sreih AG, Tugwell PS, Luqmani RA, Merkel PA. Exploration, Development, and Validation of Patient-reported Outcomes in Antineutrophil Cytoplasmic Antibody-associated Vasculitis Using the OMERACT Process. J Rheumatol 2015; 42:2204-9. [PMID: 26329344 PMCID: PMC4940036 DOI: 10.3899/jrheum.141143] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a group of linked multisystem life- and organ-threatening diseases. The Outcome Measures in Rheumatology (OMERACT) vasculitis working group has been at the forefront of outcome development in the field and has achieved OMERACT endorsement of a core set of outcomes for AAV. Patients with AAV report as important some manifestations of disease not routinely collected through physician-completed outcome tools; and they rate common manifestations differently from investigators. The core set includes the domain of patient-reported outcomes (PRO). However, PRO currently used in clinical trials of AAV do not fully characterize patients' perspectives on their burden of disease. The OMERACT vasculitis working group is addressing the unmet needs for PRO in AAV. METHODS Current activities of the working group include (1) evaluating the feasibility and construct validity of instruments within the PROMIS (Patient-Reported Outcome Measurement Information System) to record components of the disease experience among patients with AAV; (2) creating a disease-specific PRO measure for AAV; and (3) applying The International Classification of Functioning, Disability and Health to examine the scope of outcome measures used in AAV. RESULTS The working group has developed a comprehensive research strategy, organized an investigative team, included patient research partners, obtained peer-reviewed funding, and is using a considerable research infrastructure to complete these interrelated projects to develop evidence-based validated outcome instruments that meet the OMERACT filter of truth, discrimination, and feasibility. CONCLUSION The OMERACT vasculitis working group is on schedule to achieve its goals of developing validated PRO for use in clinical trials of AAV.
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Affiliation(s)
- Joanna C Robson
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Nataliya Milman
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Gunnar Tomasson
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Jill Dawson
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Peter F Cronholm
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Katherine Kellom
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Judy Shea
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Susan Ashdown
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Maarten Boers
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Annelies Boonen
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - George C Casey
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - John T Farrar
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Don Gebhart
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Jeffrey Krischer
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Georgia Lanier
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Carol A McAlear
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Jacqueline Peck
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Antoine G Sreih
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Peter S Tugwell
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Raashid A Luqmani
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
| | - Peter A Merkel
- From the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, UK; Division of Rheumatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Public Health Sciences, University of Iceland, Reykjavik, Iceland; Nuffield Department of Population Health (HSRU), University of Oxford, Oxford, UK; Department of Family Medicine and Community Health, and Division of Rheumatology and Department of Biostatistics and Epidemiology, University of Pennsylvania, and Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA; Departments of Epidemiology and Biostatistics; and Rheumatology, VU University Medical Center, Amsterdam, The Netherlands; Division of Rheumatology, Maastricht University Medical Center and Caphri Research Institute, University Maastricht, Maastricht, The Netherlands; Vasculitis Foundation, Denver, Colorado, USA; Division of Biostatistics and Informatics, Department of Pediatrics, College of Medicine, University of South Florida, Tampa, Florida, USA; Vasculitis Clinical Research Consortium, and Division of Rheumatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.J.C. Robson, MBBS, PhD, Clinical Lecturer in Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford; N. Milman, MD, FRCPC, Clinical Lecturer in Rheumatology, Division of Rheumatology, University of Ottawa; G. Tomasson, MD, Department of Public Health Sciences, University of Iceland; J. Dawson, MA, MSc, DPhil, University Research Lecturer and Senior Research Scientist, Nuffield Department of Population Health (HSRU), University of Oxford; P.F. Cronholm, MD, MSCE, FAAFP, Associate Professor, Department of Family Medicine and Community Health, University of Pennsylvania; K. Kellom, BA, Senior Research Coordinator, Department of Family Medicine and Community Health, University of Pennsylvania; J. Shea, PhD, Professor of Medici
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