1. National Referral Centre for Rare Autoimmune and Systemic Diseases, Hôpital Cochin, AP‐HP Centre and Université Paris Cité and Centre de Recherche en Epidémiologie et Statistiques (CRESS), Unité Inserm 1153, Université de Paris Cité Paris France
2. Biologie du médicament‐Toxicologie, AP‐HP Centre–Hôpital Cochin, Université Paris Cité, and UMR8038 CNRS, U1268 INSERM, Université Paris Cité, PRES Sorbonne Paris Cité, CARPEM Paris France
3. Toronto Western Hospital, University of Toronto Toronto Ontario Canada
4. Queen Elizabeth II Health Sciences Centre and Dalhousie University Halifax Nova Scotia Canada
5. Institute of Inflammation and Ageing, University of Birmingham Birmingham United Kingdom
6. Hanyang University Hospital for Rheumatic Diseases, Hanyang University Institute for Rheumatology, and Hanyang University Institute of Bioscience and Biotechnology Seoul Korea
7. Instituto Nacional de Ciencias Médicas y Nutrición Mexico City Mexico
8. Mount Sinai Hospital and University Health Network, University of Toronto Toronto Canada
9. Cumming School of Medicine University of Calgary Calgary Alberta Canada
10. McGill University Health Centre Quebec Canada
11. University of California Los Angeles
12. University College London UK
13. Oklahoma Medical Research Foundation Oklahoma City
14. CHU de Québec–Université Laval Québec City Canada
15. NIHR Manchester Biomedical Research Centre, Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Center and Centre for Epidemiology Versus Arthritis, The University of Manchester Manchester UK
16. Johns Hopkins University School of Medicine Baltimore Maryland
17. State University of New York Downstate Medical Center Brooklyn
18. Thurston Arthritis Research Center, University of North Carolina Chapel Hill
19. Northwestern University and Feinberg School of Medicine Chicago Illinois
20. Allegheny Health Network Pittsburgh Pennsylvania
21. Lund University Lund Sweden
22. University of Alabama at Birmingham Marnix E. Heersink School of Medicine
23. University of Amsterdam Amsterdam Noord‐Holland The Netherlands
24. Feinstein Institute for Medical Research Manhasset New York
25. National Referral Centre for Rare Autoimmune and Systemic Diseases, Hôpital Cochin, AP‐HP Centre, Université Paris Cité Paris France
26. BioCruces Bizkaia Health Research Institute, University of the Basque Country Barakaldo Spain
27. Emory University School of Medicine Atlanta Georgia
28. Istanbul University Istanbul Turkey
29. University of California San Diego School of Medicine La Jolla
30. Rigshospitalet, Copenhagen University Hospital Copenhagen Denmark
31. University of Manitoba Winnipeg Manitoba Canada
32. Medical University of South Carolina Charleston
33. Hospital for Joint Diseases and, Seligman Centre for Advanced Therapeutics, New York University New York City
34. New York University School of Medicine New York City