1. Queen Elizabeth II Health Sciences Centre and Dalhousie University; Halifax Nova Scotia Canada
2. MRC Biostatistics Unit; Institute of Public Health; University of Cambridge; Cambridge UK
3. Toronto Western Hospital and University of Toronto; Ontario Canada
4. University of Birmingham; College of Medical and Dental Sciences; 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; Alberta Canada
9. Cedars-Sinai Medical Center and University of California at Los Angeles, David Geffen School of Medicine; Los Angeles
10. University College London; London UK
11. Oklahoma Medical Research Foundation; Oklahoma City
12. Centre Hospitalier Universitaire de Québec et Université Laval; Quebec City Canada
13. Manchester Academic Health Sciences Centre; University of Manchester, Manchester, UK; and Central Manchester University Hospitals NHS Foundation Trust; Manchester UK
14. Johns Hopkins University School of Medicine; Baltimore Maryland
15. State University of New York Downstate Medical Center; Brooklyn
16. University of North Carolina; Chapel Hill
17. Landspitali University Hospital; Reykjavik Iceland
18. Northwestern University and Feinberg School of Medicine; Chicago Illinois
19. Lanarkshire Centre for Rheumatology and Hairmyres Hospital; East Kilbride Scotland UK
20. Lupus Center of Excellence; Allegheny Health Network; Pittsburgh Pennsylvania
21. Lund University; Lund Sweden
22. Lupus Research Unit; The Rayne Institute; St. Thomas’ Hospital; King's College London School of Medicine; London UK
23. University of Alabama at Birmingham; Birmingham
24. Karolinska Institute; Stockholm Sweden
25. Feinstein Institute for Medical Research; Manhasset New York
26. Hospital Universitario Cruces and University of the Basque Country; Barakaldo Spain
27. Institut d'Investigacions Biomèdiques August Pi I Sunyer; IDIBAPS, Hospital Clínic; Barcelona Spain
28. Emory University; Atlanta Georgia
29. Istanbul University; Istanbul Turkey
30. University of California at San Diego; La Jolla
31. Rigshospitalet, Copenhagen University Hospital; Copenhagen Denmark
32. University of Manitoba; Winnipeg Manitoba Canada
33. Medical University of South Carolina; Charleston
34. New York University; New York New York