1
|
Duquenne L, Hensor EM, Wilson M, Garcia-Montoya L, Nam JL, Wu J, Harnden K, Anioke IC, Di Matteo A, Chowdhury R, Sidhu N, Ponchel F, Mankia K, Emery P. Predicting Inflammatory Arthritis in At-Risk Persons: Development of Scores for Risk Stratification. Ann Intern Med 2023; 176:1027-1036. [PMID: 37523695 DOI: 10.7326/m23-0272] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/02/2023] Open
Abstract
BACKGROUND Inflammatory arthritis (IA) is an immune-related condition defined by the presence of clinical synovitis. Its most common form is rheumatoid arthritis. OBJECTIVE To develop scores for predicting IA in at-risk persons using multidimensional biomarkers. DESIGN Prospective observational cohort study. SETTING Single-center, Leeds, United Kingdom. PARTICIPANTS Persons with new musculoskeletal symptoms, a positive test result for anticitrullinated protein antibodies, and no clinical synovitis and followed for 48 weeks or more or until IA occurred. MEASUREMENTS A simple score was developed using logistic regression, and a comprehensive score was developed using the least absolute shrinkage and selection operator Cox proportional hazards regression. Internal validation with bootstrapping was estimated, and a decision curve analysis was done. RESULTS Of 455 participants, 32.5% (148 of 455) developed IA, and 15.4% (70 of 455) developed it within 1 year. The simple score identified 249 low-risk participants with a false negative rate of 5% (and 206 high-risk participants with a false-positive rate of 72%). The comprehensive score identified 119 high-risk participants with a false-positive rate of 29% (and 336 low-risk participants with a false-negative rate of 19%); 40% of high-risk participants developed IA within 1 year and 71% within 5 years. LIMITATIONS External validation is required. Recruitment occurred over 13 years, with lower rates of IA in later years. There was geographic variation in laboratory testing and recruitment availability. CONCLUSION The simple score identified persons at low risk for IA who were less likely to need secondary care. The comprehensive score identified high-risk persons who could benefit from risk stratification and preventive measures. Both scores may be useful in clinical care and should also be useful in clinical trials. PRIMARY FUNDING SOURCE National Institute for Health and Care Research Leeds Biomedical Research Centre.
Collapse
Affiliation(s)
- Laurence Duquenne
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| | - Elizabeth M Hensor
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| | - Michelle Wilson
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| | - Leticia Garcia-Montoya
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| | - Jacqueline L Nam
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| | - Jianhua Wu
- Leeds Institute for Data Analytics, University of Leeds, Leeds, and Wolfson Institute of Population Health, Queen Mary University of London, London, United Kingdom (J.W.)
| | - Kate Harnden
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| | - Innocent Chidi Anioke
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom, and Department of Medical Laboratory Sciences, University of Nigeria, Nigeria (I.C.A.)
| | - Andrea Di Matteo
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| | - Rahaymin Chowdhury
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| | - Navkiran Sidhu
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| | - Frederique Ponchel
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom (F.P.)
| | - Kulveer Mankia
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| | - Paul Emery
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, United Kingdom (L.D., E.M.H., M.W., L.G., J.L.N., K.H., A.D.M., R.C., N.S., K.M., P.E.)
| |
Collapse
|
2
|
Rogier C, Kortekaas MC, van der Helm-van Mil AHM, de Jong PHP, van Mulligen E. Sequential ultrasound in arthralgia patients at risk for inflammatory arthritis: is it of added value in risk stratification? Scand J Rheumatol 2023; 52:96-98. [PMID: 35916283 PMCID: PMC7615877 DOI: 10.1080/03009742.2022.2103296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/15/2022] [Indexed: 01/05/2023]
Affiliation(s)
- C Rogier
- Department of Rheumatology, Erasmus MC, Rotterdam, The Netherlands
| | - MC Kortekaas
- Department of Rheumatology, Leiden University Medical Centre (LUMC), Leiden, The Netherlands
| | - AHM van der Helm-van Mil
- Department of Rheumatology, Erasmus MC, Rotterdam, The Netherlands
- Department of Rheumatology, Leiden University Medical Centre (LUMC), Leiden, The Netherlands
| | - PHP de Jong
- Department of Rheumatology, Erasmus MC, Rotterdam, The Netherlands
| | - E van Mulligen
- Department of Rheumatology, Erasmus MC, Rotterdam, The Netherlands
- Department of Rheumatology, Leiden University Medical Centre (LUMC), Leiden, The Netherlands
| |
Collapse
|
3
|
Rogier C, Frazzei G, Kortekaas MC, Verstappen M, Ohrndorf S, van Mulligen E, van Vollenhoven RF, van Schaardenburg D, de Jong PHP, van der Helm-van Mil AHM. An ultrasound negative for subclinical synovitis in arthralgia patients: is it helpful in identifying those not developing arthritis? Rheumatology (Oxford) 2022; 61:4892-4897. [PMID: 35416958 PMCID: PMC9707035 DOI: 10.1093/rheumatology/keac239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/03/2022] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVE To investigate the negative predictive value (NPV) of musculoskeletal US (MSUS) in arthralgia patients at risk for developing inflammatory arthritis. METHODS An MSUS examination of hands and feet was performed in arthralgia patients at risk for inflammatory arthritis in four independent cohorts. Patients were followed for one-year on the development of inflammatory arthritis. Subclinical synovitis was defined as greyscale ≥2 and/or power Doppler ≥1. NPVs were determined and compared with the prior risks of not developing inflammatory arthritis. Outcomes were pooled using meta-analyses and meta-regression analyses. In sensitivity analyses, MSUS imaging of tender joints only (rather than the full US protocol) was analysed and ACPA stratification applied. RESULTS After 1 year 78, 82, 77 and 72% of patients in the four cohorts did not develop inflammatory arthritis. The NPV of a negative US was 86, 85, 82 and 90%, respectively. The meta-analysis showed a pooled non-inflammatory arthritis prevalence of 79% (95% CI 75%, 83%) and a pooled NPV of 86% (95% CI 81, 89%). Imaging tender joints only (as generally done in clinical practice) and ACPA stratification showed similar results. CONCLUSION A negative US result in arthralgia has a high NPV for not developing inflammatory arthritis, which is mainly due to the high a priori risk of not developing inflammatory arthritis. The added value of a negative US (<10% increase) was limited.
Collapse
Affiliation(s)
- Cleo Rogier
- Department of Rheumatology, Erasmus MC, Rotterdam
| | - Giulia Frazzei
- Amsterdam Rheumatology and Immunology Center, Department of Rheumatology, Reade, Amsterdam
| | - Marion C Kortekaas
- Department of Rheumatology, Leiden University Medical Centre (LUMC), Leiden, The Netherlands
| | - Marloes Verstappen
- Department of Rheumatology, Leiden University Medical Centre (LUMC), Leiden, The Netherlands
| | - Sarah Ohrndorf
- Department of Rheumatology, Leiden University Medical Centre (LUMC), Leiden, The Netherlands
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Elise van Mulligen
- Department of Rheumatology, Erasmus MC, Rotterdam
- Department of Rheumatology, Leiden University Medical Centre (LUMC), Leiden, The Netherlands
| | | | | | | | - Annette H M van der Helm-van Mil
- Department of Rheumatology, Erasmus MC, Rotterdam
- Department of Rheumatology, Leiden University Medical Centre (LUMC), Leiden, The Netherlands
| |
Collapse
|
4
|
Hammer HB, Caporali R. Controversies in rheumatology: Ultrasound for monitoring of RA - do we need it? Rheumatology (Oxford) 2022; 61:4245-4251. [PMID: 35394009 DOI: 10.1093/rheumatology/keac228] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 03/10/2022] [Accepted: 04/03/2022] [Indexed: 11/14/2022] Open
Abstract
Clinical joint examination is the cornerstone for evaluation of patients with rheumatoid arthritis (RA). However, since large discrepancies have been shown even between experienced rheumatologists in evaluation of joint inflammation, and tender joints may have limited value in reflecting inflammation, ultrasound has in the last decennials been introduced in the clinical assessments of RA patients. Ultrasound has high accordance with other imaging modalities and enables detection of clinically difficult pathologies and contributes to assessments of joints difficult to evaluate clinically. However, there is no general agreement on the optimal use of ultrasound in rheumatology and the prevalence of machines as well as the level of experience is highly different across the countries. In addition, standardized use of ultrasound in treat-to-target follow-up of RA patients was found not to have any added value. Thus, how to use ultrasound in monitoring of RA patients is open for debate. The present article will discuss the pros and cons for using ultrasound in the clinical setting.
Collapse
Affiliation(s)
- Hilde Berner Hammer
- Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway.,Faculty of medicine, University of Oslo, Norway
| | - Roberto Caporali
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.,Department of Rheumatology and Medical Sciences, ASST Pini-CTO, Milan, Italy
| |
Collapse
|
5
|
Van Hoovels L, Studenic P, Sieghart D, Steiner G, Bossuyt X, Rönnelid J. Impact of autoimmune serology test results on RA classification and diagnosis. J Transl Autoimmun 2022; 5:100142. [PMID: 35036891 PMCID: PMC8749172 DOI: 10.1016/j.jtauto.2022.100142] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 12/29/2021] [Accepted: 01/03/2022] [Indexed: 12/04/2022] Open
Abstract
Rheumatoid arthritis (RA) is the most common systemic autoimmune disease and also the most severe arthritic disorder. The measurement of rheumatoid factor (RF) and anti-citrullinated protein antibodies (ACPA) in serum supports the diagnosis of RA, which gained increasing significance over the last 65 years. However, a high variability between RF and ACPA methods has been described, impacting the diagnostic performance of the current ACR/EULAR RA classification criteria. The great number of commercially available assays, often lacking traceability to an international standard, is a major factor attributing to this in-between assay variability. The adoption of an international standard for ACPA, as is since long available for rheumatoid factor, is therefore highly desirable. Further harmonization in clinical interpretation of RF/ACPA assays could be obtained by harmonization of the cut-offs, for both the low and high antibody levels, based on predefined specificity in disease controls. Reporting test result specific likelihood ratios (LR) adds value in the interpretation of autoantibody tests. However, a good understanding of the control population used to define antibody test result interval-associated LRs is crucial in defining the diagnostic performance characteristics of antibody serology. Finally, specificity in RA classification can be improved by refining serological weight scoring taking into account the nature of the antibody, the antibody level and double RF + ACPA positivity.
Collapse
Affiliation(s)
- Lieve Van Hoovels
- Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium.,Department of Laboratory Medicine, OLV Hospital, Aalst, Belgium
| | - Paul Studenic
- Division of Rheumatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria.,Division of Rheumatology, Department of Medicine (Solna), Karolinska Institutet, Stockholm, Sweden
| | - Daniela Sieghart
- Division of Rheumatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Günter Steiner
- Division of Rheumatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria.,Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Vienna, Austria
| | - Xavier Bossuyt
- Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium.,Department of Laboratory Medicine, University Hospital Leuven, Leuven, Belgium
| | - Johan Rönnelid
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| |
Collapse
|
6
|
Molina Collada J, López Gloria K, Castrejón I, Nieto-González JC, Rivera J, Montero F, González C, Álvaro-Gracia JM. Ultrasound in clinically suspect arthralgia: the role of power Doppler to predict rheumatoid arthritis development. Arthritis Res Ther 2021; 23:299. [PMID: 34876221 PMCID: PMC8653555 DOI: 10.1186/s13075-021-02685-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 11/23/2021] [Indexed: 11/10/2022] Open
Abstract
Objective To determine the usefulness of power Doppler (PD) ultrasound (US) to predict rheumatoid arthritis (RA) development in patients with clinically suspect arthralgia (CSA). Methods Retrospective analysis of a US unit cohort over a 1-year period. Patients with CSA and no previous diagnosis of inflammatory arthritis (IA) were included for analysis. All underwent bilateral US examination of the hands and/or feet according to the EULAR guidelines. Active US inflammation was defined as PD synovitis and/or tenosynovitis ≥1 at any location. RA diagnosis according to clinician criteria 6 months after the US examination was checked. Univariate and multivariate logistic regression models were employed to investigate possible predictive factors of RA development. Results A total of 110 CSA patients (80 females, mean age 53.6 years) were included for analysis. After 6 months of follow-up, 14 (12.7%) developed RA and 34 (30.9%) IA. US active inflammation was present in 38 (34.5%) patients (28.2% showed PD synovitis and 18.2% PD tenosynovitis). Multivariate analysis showed that ACPA (OR 1.0003; 95% CI 1.002–1.006) and ESR (OR 1.054; 95% CI 1.016–1.094) were significantly associated with the detection of US active inflammation at baseline. Only PD tenosynovitis was found to be an independent predictive factor of an evolution towards RA (OR 6.982; 95% CI 1.106–44.057) and IA (OR 5.360; 95% CI 1.012–28.390). Conclusion US is able to detect features of subclinical inflammation in CSA patients, especially in those with higher ESR and ACPA values. Only PD tenosynovitis at baseline US assessment was found to be an independent predictor of RA and IA development in CSA patients. Supplementary Information The online version contains supplementary material available at 10.1186/s13075-021-02685-7.
Collapse
Affiliation(s)
- Juan Molina Collada
- Rheumatology Department, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Calle del Dr. Esquerdo, 46, 28007, Madrid, Spain.
| | - Katerine López Gloria
- Rheumatology Department, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Calle del Dr. Esquerdo, 46, 28007, Madrid, Spain
| | - Isabel Castrejón
- Rheumatology Department, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Calle del Dr. Esquerdo, 46, 28007, Madrid, Spain
| | - Juan Carlos Nieto-González
- Rheumatology Department, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Calle del Dr. Esquerdo, 46, 28007, Madrid, Spain
| | - Javier Rivera
- Rheumatology Department, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Calle del Dr. Esquerdo, 46, 28007, Madrid, Spain
| | - Fernando Montero
- Rheumatology Department, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Calle del Dr. Esquerdo, 46, 28007, Madrid, Spain
| | - Carlos González
- Rheumatology Department, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Calle del Dr. Esquerdo, 46, 28007, Madrid, Spain
| | - José María Álvaro-Gracia
- Rheumatology Department, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Calle del Dr. Esquerdo, 46, 28007, Madrid, Spain
| |
Collapse
|
7
|
What Is the Value of Ultrasound in Individuals 'At-Risk' of Rheumatoid Arthritis Who Do Not Have Clinical Synovitis? Healthcare (Basel) 2021; 9:healthcare9060752. [PMID: 34207207 PMCID: PMC8233794 DOI: 10.3390/healthcare9060752] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/10/2021] [Accepted: 06/16/2021] [Indexed: 12/22/2022] Open
Abstract
The identification of biomarkers that help identify individuals at imminent risk of progression to rheumatoid arthritis (RA) is of crucial importance for disease prevention. In recent years, several studies have highlighted the value of musculoskeletal (MSK) ultrasound (US) in predicting progression to inflammatory arthritis (IA) in individuals ‘at-risk’ of RA. These studies have highlighted the following main aspects: first, in RA-related autoantibody-positive individuals, MSK symptoms seem to develop before ‘sub-clinical’ joint inflammation occurs on US. Second, the detection of ‘sub-clinical’ synovitis (and/or bone erosions) greatly increases the risk of IA development in these ‘at-risk’ individuals. US has a potential key role for better understanding the ‘pre-clinical’ stages in individuals ‘at-risk’ of RA, and for the early identification of those individuals at high risk of developing IA. Further research is needed to address questions on image analysis and standardization. In this review, we provide an overview of the most relevant studies which have investigated the value of US in the prediction of RA development in individuals ‘at-risk’ of RA who have MSK symptoms, but no clinical evidence of IA. We highlight recent insights, limitations, and future perspectives of US use in this important population.
Collapse
|
8
|
Zaccardelli A, Sparks JA. Challenges and Opportunities of Targeted Behavioral Interventions for Groups at Risk for Developing Rheumatoid Arthritis. Healthcare (Basel) 2021; 9:641. [PMID: 34071429 PMCID: PMC8226912 DOI: 10.3390/healthcare9060641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/21/2021] [Accepted: 05/25/2021] [Indexed: 12/14/2022] Open
Abstract
Background: Rheumatoid arthritis (RA) is a serious autoimmune disease which causes painful, swollen joints and can impact quality of life and increase morbidity and mortality. There are several preclinical stages of RA that correspond to at-risk groups that include: genetic risk, risk from behaviors, elevation of RA-related autoantibodies, and early clinical disease manifestations such as undifferentiated arthritis. Early interventions are crucial to slowing progression to and potentially preventing RA onset. Modification of behaviors among at-risk individuals may decrease RA risk. There are several challenges and opportunities in implementing preventative behavioral interventions, which may vary within different at-risk groups. Methods: We performed a narrative review of the literature, including meta-analyses focused on RA risk-related behaviors as well as publications investigating the potential efficacy of behavioral modifications on RA risk. Results: There are multiple behavioral risk factors associated with RA, including smoking, obesity, low physical activity, low quality diet, and poor dental hygiene, which may contribute to progression to clinical RA. Meta-analyses have been performed for smoking, excess body weight, and physical activity. Likelihood of adopting behavioral modifications may increase as RA risk increases. Conclusions: Clinicians may be able to tailor preventative approaches to various RA at-risk groups to help reduce RA risk, but further research is needed. A better understanding of the relationship of behaviors with RA risk and optimized approaches to implementing behavioral changes may allow for clinicians to tailor their preventative approaches for at-risk individuals.
Collapse
Affiliation(s)
- Alessandra Zaccardelli
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women’s Hospital, 60 Fenwood Road, Boston, MA 02115, USA;
| | - Jeffrey A. Sparks
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women’s Hospital, 60 Fenwood Road, Boston, MA 02115, USA;
- Department of Medicine, Harvard Medical School, 25 Shattuck Street, Boston, MA 20115, USA
| |
Collapse
|