1. Rheumatology Service, Hospital Vera Cruz, Campinas, Sao Paulo, Brazil
2. Rheumatology Service, Hospital Vera Cruz, Campinas, Sao Paulo, Brazil; Rheumatology Unit, Department of Internal Medicine, State University of Campinas Faculty of Medical Sciences, Campinas, Sao Paulo, Brazil
3. Rheumatology Unit, Department of Internal Medicine, State University of Campinas Faculty of Medical Sciences, Campinas, Sao Paulo, Brazil