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For:	Neuenschwander R, Ciurea A. Gender differences in axial spondyloarthritis. World J Rheumatol 2014; 4(3): 35-43 [DOI: 10.5499/wjr.v4.i3.35] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] Open

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Bento da Silva A, Ramiro S, van Lunteren M, Marques ML, van de Sande M, Fongen C, Exarchou S, Ramonda R, van der Heijde D, van Gaalen FA. Baseline and 2-year differences in spinal symptoms and spinal and hip mobility in early axial spondyloarthritis and non-axial spondyloarthritis chronic back pain patients. RMD Open 2024;10:e004713. [PMID: 39461873 PMCID: PMC11529763 DOI: 10.1136/rmdopen-2024-004713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Accepted: 10/04/2024] [Indexed: 10/29/2024] Open

Hebeisen M, Neuenschwander R, Scherer A, Exer P, Weber U, Tamborrini G, Micheroli R, Wildi LM, Zufferey P, Nissen MJ, Villiger PM, Bernhard J, Finckh A, van der Horst-Bruinsma IE, Sieper J, Landewé R, van der Heijde D, Ciurea A. Response to Tumor Necrosis Factor Inhibition in Male and Female Patients with Ankylosing Spondylitis: Data from a Swiss Cohort. J Rheumatol 2018;45:506-512. [PMID: 29449504 DOI: 10.3899/jrheum.170166] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/06/2017] [Indexed: 01/19/2023]

Affiliation(s)

Monika Hebeisen From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Regula Neuenschwander From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Almut Scherer From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Pascale Exer From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Ulrich Weber From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Giorgio Tamborrini From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Raphael Micheroli From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Lukas M Wildi From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Pascal Zufferey From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Michael J Nissen From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Peter M Villiger From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Jürg Bernhard From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Axel Finckh From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Irene E van der Horst-Bruinsma From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Joachim Sieper From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Robert Landewé From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Désirée van der Heijde From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands.,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital
Adrian Ciurea From the Swiss Clinical Quality Management Foundation; Department of Rheumatology, Zurich University Hospital, Zurich; Praxis Rheuma-Basel, Basel, Switzerland; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Ultrasound Center Rheumatology, Basel; Department of Rheumatology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne; Department of Rheumatology, University Hospital, Geneva; Department of Rheumatology and Clinical Immunology, Inselspital, Bern; Department of Rheumatology and Rehabilitation, Bürgerspital, Solothurn, Switzerland; Department of Rheumatology, VU University Medical Center, Amsterdam, the Netherlands; Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin, Berlin, Germany; Department of Clinical Immunology and Rheumatology, University of Amsterdam; Department of Rheumatology, Zuyderland Hospital, Heerlen; Department of Rheumatology, Leiden University Medical Center, Leiden, the Netherlands. .,M. Hebeisen, MSc, Swiss Clinical Quality Management Foundation; R. Neuenschwander, Department of Rheumatology, Zurich University Hospital; A. Scherer, PhD, Swiss Clinical Quality Management Foundation; P. Exer, MD, Praxis Rheuma-Basel; U. Weber, MD, King Christian 10th Hospital for Rheumatic Diseases, Gråsten, and South Jutland Hospital, Institute of Regional Health Research; G. Tamborrini, MD, Ultrasound Center Rheumatology; R. Micheroli, MD, Department of Rheumatology, Zurich University Hospital; L.M. Wildi, MD, Department of Rheumatology, Zurich University Hospital; P. Zufferey, MD, Department of Rheumatology, CHUV; M.J. Nissen, MD, Department of Rheumatology, University Hospital; P.M. Villiger, MD, Department of Rheumatology and Clinical Immunology, Inselspital; J. Bernhard, MD, Department of Rheumatology and Rehabilitation, Bürgerspital; A. Finckh, MD, PhD, Department of Rheumatology, University Hospital; I.E. van der Horst-Bruinsma, MD, PhD, Department of Rheumatology, VU University Medical Center; J. Sieper, MD, Department of Gastroenterology, Infectiology and Rheumatology, Charité Universitätsmedizin; R. Landewé, MD, PhD, Department of Clinical Immunology and Rheumatology, University of Amsterdam, and Department of Rheumatology, Zuyderland Hospital; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; A. Ciurea, MD, Department of Rheumatology, Zurich University Hospital.

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