Affiliation: | 1.Pediatric Rheumatology Unit, Allergy, Immunology and Rheumatology Division, Department of Pediatrics,Universidade Federal de S?o Paulo/Escola Paulista de Medicina (UNIFESP/EPM),S?o Paulo,Brazil;2.Rheumatology Division, Department of Medicine,Universidade Federal de S?o Paulo/Escola Paulista de Medicina (UNIFESP/EPM),S?o Paulo,Brazil;3.Adolescent Medicine Unit, Department of Pediatrics,Universidade Federal de S?o Paulo/Escola Paulista de Medicina (UNIFESP/EPM),S?o Paulo,Brazil |