1. Internal Medicine DepartmentCentre de Référence Maladies Auto‐Immunes et Systémiques RaresAP‐HPCochin Hospital Paris France
2. Université Paris Descartes‐Sorbonne Paris Cité Paris France
3. Center for Epidemiology and StatisticsINSERM U 1153Sorbonne Paris Cité (CRESS) Paris France
4. Service de RhumatologieCliniques Universitaires Saint‐LucPôle de Pathologies Rhumatismales Inflammatoires et SystémiquesUniversité catholique de Louvain Brussels Belgium
5. Division of RheumatologyDepartment of MedicineNew York University School of Medicine New York New York USA
6. University of Santo Tomas Hospital Manila Philippines
7. Rush University Medical CenterRush Lupus Clinic Chicago Illinois USA
8. Autoimmune Diseases Research UnitDepartment of Internal MedicineBioCruces Health Research InstituteHospital Universitario CrucesUniversity of the Basque Country Barakaldo Spain
9. Centre d'Epidémiologie CliniqueAP‐HPHôpitalHôtel‐DieuUniversité Paris Descartes‐Sorbonne Paris Cité Paris France
10. Claude Huriez HospitalInternal Medicine DepartmentCentre de Référence Maladies Auto‐immunes et Systémiques raresUniversité de Lille Lille France
11. Sheba Medical CenterZabludowicz Center for Autoimmune Diseases Tel‐Hashomer Israel
12. Rheumatology and Clinical Immunology UnitSpedali Civili and Department of Clinical and Experimental ScienceUniversity of Brescia Brescia Italy
13. Internal Medicine DepartmentPierre‐Zobda‐Quitman Hospital Martinique France
14. Department of Autoimmune DiseasesHospital Clínic de Barcelona Barcelona Spain
15. Internal Medicine DepartmentHaut Lévêque Hospital Pessac France
16. Internal Medicine DepartmentDupuytren Hospital Limoges France
17. Internal Medicine DepartmentAP‐HPPitié‐Salpêtrière HospitalUniversité Pierre et Marie Curie Paris France
18. Montreal General HospitalLupus Clinic Montreal Canada
19. Clinical Immunology DepartmentAP‐HPSt Louis Hospital Paris France
20. Department of MedicineUnit for Clinical Research TherapyInflammatory DiseasesKarolinska University Hospital Stockholm Sweden
21. Centre for RheumatologyUniversity College London London UK
22. Pharmacology DepartmentAP‐HPHopital Pitié‐Salpêtrière Paris France
23. Internal Medicine DepartmentEuropean Georges Pompidou Hospital Paris France
24. Johns Hopkins University School of Medicine Baltimore Maryland USA