1. University of California San Francisco
2. National Center for Collaborative Healthcare Innovation, Palo Alto Department of Veterans Affairs Healthcare System Palo Alto California
3. Massachusetts General Hospital and Harvard Medical School Boston
4. Pfizer New York City New York
5. University of Otago Wellington and Te Whatu Ora, Health New Zealand Capital, Coast and Hutt Valley Wellington New Zealand
6. Service de Médecine Interne et Immunologie Clinique, Centre Hospitalier Universitaire (CHU) de Lille, pour la Filière des maladies Auto‐Immunes et Autoinflammatoires Rares Lille France
7. Service de Rhumatologie, Centre de référence des maladies autoimmunes systémiques rares de l'Est et du Sud‐Ouest de France, CHU de Bordeaux, pour la Société Française de Rhumatologie Bordeaux France
8. AP‐HP, Groupe Hospitalier Pitié‐Salpêtrière, Société Nationale Française de Médecine Interne Paris France
9. Boston Children's Hospital and Harvard Medical School Boston Massachusetts
10. Boston University Chobanian & Avedisian School of Medicine Boston Massachusetts
11. Yale School of Medicine New Haven Connecticut
12. German Rheumatism Research Center and Charité University Hospital Berlin Germany
13. Portuguese League Against Rheumatic Diseases, Lisbon, Portugal, and European Alliance of Associations for Rheumatology Kilchberg Switzerland
14. Centre for Epidemiology Versus Arthritis, The University of Manchester, Manchester Academic Health Science Centre and NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre Manchester UK
15. Sorbonne Université, INSERM, Institut Pierre Louis d'Epidémiologie et de Santé Publique and AP‐HP, Pitié‐Salpêtrière hospital Paris France
16. Instituto de Salud Musculoesquelética Madrid Spain
17. Centre for Genetics and Genomics Versus Arthritis, Centre for Musculoskeletal Research, University of Manchester, and NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre Manchester UK
18. Centre for Epidemiology Versus Arthritis, The University of Manchester, Manchester Academic Health Science Centre Manchester UK
19. German Rheumatism Research Center Berlin Germany
20. Federal University of Amazonas Manaus Brazil
21. Hamad General Hospital Doha Qatar
22. University Hospital Munster, Munster, Germany, and Justus Liebig University Giessen Kerckhoff Germany
23. Justus Liebig University Giessen Kerckhoff Germany
24. Kliniken Essen‐Mitte Essen Germany
25. University of Munich Munich Germany
26. University of Porto and Centro Hospitalar e Universitário de São João Porto Portugal
27. Hospital Garcia de Orta Almada Portugal
28. Sociedade Portuguesa de Reumatologia and Comprehensive Health Research Centre, Nova Medical School, Universidade Nova de Lisboa Lisbon Portugal
29. Brigham and Women's Hospital and Harvard Medical School Boston Massachusetts
30. Karolinska Institutet and Academic Specialist Centre, Stockholm Health Care Services, Region Stockholm Stockholm Sweden
31. Karolinska Institutet Stockholm Sweden
32. Keck School of Medicine, University of Southern California Los Angeles
33. Mayo Clinic Rochester Minnesota
34. Grupo Peruano de Estudio de Enfermedades Autoinmunes Sistémica, Universidad Científica del Sur and Hospital Nacional Guillermo Almenara Irigoyen ‐ EsSalud Lima Peru
35. Hospital Universitario José Eleuterio González Monterrey Mexico
36. Hospital General de Subzona No. 9, Instituto Mexicano del Seguro Social San Luis, Potosí Mexico
37. Colegio Mexicano de Reumatología Mexico City Mexico
38. Universidade Federal do Rio Grande do Sul, Serviço de Reumatologia, Hospital de Clínicas de Porto Alegre Porto Alegre Brazil
39. Argentine Society of Rheumatology Buenos Aires Argentina
40. Hospital Angel C. Padilla, San Miguel de Tucuman Tucuman Argentina
41. Universidad Nacional de Rosario, Rosario, Argentina, and College of Physicians of the Province of Santa Fe 2nd Santa Fe Argentina
42. Italian Society for Rheumatology Milan Italy
43. Italian Society for Rheumatology and School of Medicine, University of Milano‐Bicocca Milan Italy
44. University College London, NIHR University College London Hospitals Biomedical Research Centre, University College London Hospitals NHS Foundation Trust, and Northwick Park Hospital, London North West University Healthcare NHS Trust London UK