1. Department of Internal Medicine, Division of Rheumatology University of Michigan Ann Arbor
2. School of Public Health, University of Michigan Ann Arbor
3. Department of Internal Medicine, Division of Rheumatology, University of Michigan, Ann Arbor, and Institute of Molecular Biomedicine, Faculty of Medicine Comenius University Bratislava Slovakia
4. University of São Paulo São Paulo Brazil
5. National and Kapodistrian University of Athens Athens Greece
6. University of Turin Turin Italy
7. Padova University Hospital Padova Italy
8. Hospital Universitario Cruces, University of the Basque Country Bizkaia Spain
9. New York University Langone Medical Center New York
10. University of Milan Milan Italy
11. CHU de Québec‐ Université Laval Quebec Canada
12. Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil
13. University of Utah and Intermountain Healthcare Salt Lake City
14. University of Brescia Brescia Italy
15. Hospital Universitario 12 de Octubre Madrid Spain
16. Johns Hopkins University School of Medicine Baltimore Maryland
17. Hospital Clinic de Barcelona Barcelona Spain
18. University of Texas Medical Branch Galveston
19. Department of Internal Medicine, Division of Rheumatic Disease University of Texas Southwestern Medical Center Dallas
20. Department of Immunology, Immune Phenotyping Core Facility University of Texas Southwestern Medical Center Dallas
21. Haemostasis Research Unit, Department of Haematology University College London London UK
22. King's College London British Heart Foundation Centre of Excellence London UK
23. Barbara Volcker Center for Women and Rheumatic Disease Hospital for Special Surgery, Weill Cornell Medicine New York New York