1. Queen Elizabeth II Health Sciences Center and Dalhousie University Halifax Nova Scotia Canada
2. University of Cambridge Cambridge UK
3. Toronto Western Hospital and University of Toronto Toronto Ontario Canada
4. University of Birmingham Birmingham UK
5. Hanyang University Hospital for Rheumatic Diseases Seoul Republic of Korea
6. Instituto Nacional de Ciencias Medicas y Nutrición Mexico City Mexico
7. McGill University Montreal Quebec Canada
8. University of Calgary Calgary Alberta Canada
9. Cedars‐Sinai Medical Center and David Geffen School of Medicine at University of California Los Angeles
10. University College London London UK
11. Oklahoma Medical Research Foundation Oklahoma City
12. CHU de QuébecUniversité Laval Quebec City Quebec Canada
13. University of Manchester and Manchester University NHS Foundation Trust Manchester UK
14. Johns Hopkins University School of Medicine Baltimore Maryland
15. SUNY Downstate Medical Center Brooklyn New York
16. University of North Carolina Chapel Hill
17. Landspitali University Hospital Reykjavik Iceland
18. Northwestern University Chicago Illinois
19. Hairmyres Hospital East Kilbride Scotland UK
20. Lupus Center of Excellence, Allegheny Health Network Pittsburgh Pennsylvania
21. Lund University Lund Sweden
22. St Thomas’ HospitalKing’s College London School of Medicine London UK
23. University of Alabama at Birmingham
24. Karolinska Institute Stockholm Sweden
25. Feinstein Institute for Medical Research Manhasset New York
26. Hospital Universitario CrucesUniversity of the Basque Country Barakaldo Spain
27. Hospital Clínic Barcelona Spain
28. Emory University School of Medicine Atlanta Georgia
29. Istanbul University Istanbul Turkey
30. University of California San Diego School of Medicine La Jolla
31. Rigshospitalet, Copenhagen University Hospital Copenhagen Denmark
32. University of Manitoba Winnipeg Manitoba Canada
33. Medical University of South Carolina Charleston
34. Hospital for Joint Diseases, New York University New York New York