1. Rheumatology Division, Department of Medicine, State University of Campinas, 13083-887 Campinas, SP, Brazil
2. Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center-Sackler Faculty of Medicine, Tel Aviv University, 52621 Tel Aviv, Israel
3. Rheumatology Division, University Hospital, Federal University of Bahia, 41810-080 Salvador, BA, Brazil