1. Graduate Program of Child and Adolescent Health, School of Medical Science, University of Campinas, Campinas, Brazil
2. Laboratory of Autoimmune Diseases, School of Medical Science, University of Campinas, Campinas, Brazil
3. Graduate Program of Physiopathology, School of Medical Science, University of Campinas, Campinas, Brazil
4. Departament of Radiology, School of Medical Science, University of Campinas, Campinas, Brazil
5. Rheumatology Unit, Department of Medicine-School of Medical Science, University of Campinas, Campinas, Brazil