1. The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
2. Internal Medicine Department, Hospital de Pedro Hispano, Matosinhos, Portugal
3. Faculty of Agricultural, Food and Environmental Quality Sciences The Hebrew University, Rehovot, Israel
4. Department of Medicine C, Wolfson Medical Center, Sackler Faculty of Medicine, Tel-Aviv University, Israel
5. Division of Rheumatology, Istituto Auxologico Italiano, University of Milan, Milan, Italy
6. Department of Autoimmune Diseases, Hospital Clínic Barcelona, Catalonia, Spain
7. “Bezhanijska Kosa” University Medical Center, Belgrade, Serbia
8. Antiphospholipid Standardization Laboratory, Division of Rheumatology, Department of Internal Medicine, University of Texas Medical Branch, Galveston, USA
9. Department of Rheumatology, University Clinical Center Ljubljana, Ljubljana, Slovenia
10. Clinical Pathology, Instituto Nacional do Câncer, Rio de Janeiro, Brazil
11. Rheumatology Division, Faculdade de Medicina da Universidade de Sao Paulo, Brazil
12. Department of Medicine, Division of Rheumatology, University of Padova, Italy
13. Department of Cardiac Thoracic and Vascular Sciences, University of Padova School of Medicine, Padova, Italy
14. Rheumatology and Clinical Immunology Unit, Department of Clinical and Experimental Science, Spedali Civili and University of Brescia, Italy
15. Department of Medicine, University of Padova, Padova, Italy
16. Incumbent of the Laura Schwarz-Kip Chair for Research of Autoimmune Diseases, Tel-Aviv University, Israel