1. Department of Autoimmune Diseases, Hospital Clinic, Barcelona, Catalonia, Spain
2. First Department of Internal Medicine, Medical School, National University of Athens, Athens, Greece
3. Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
4. Division of Rheumatology, Department of Medicine, The University of Texas Medical Branch (UTMB), Galveston, USA
5. The Barbara Volcker Center for Women and Rheumatic Disease, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, USA
6. Department of Pathology, University of Texas Medical Branch, Galveston, USA
7. The Methodist Hospital Transplant Center, Fannin, Houston, USA
8. Department of Dermatology, Chaim Sheba Medical Center, Tel Hashomer, Israel
9. The Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
10. Department of Medicine C, Wolfson Medical Center, Tel Hashomer, Israel
11. Zublodovitz Center for Autoimmune Diseases and Department of Medicine B, Chaim Sheba Medical Center, Tel Hashomer, Israel