[1] Univ Sao Paulo, Clin Neurophysiol Lab, Inst & Dept Psychiat, Hosp Clin, BR-05508 Sao Paulo, Brazil
[2] Univ Sao Paulo, Div Rheumatol, Hosp Clin, BR-05508 Sao Paulo, Brazil
[3] Univ Sao Paulo, Child Rheumatol Unit, Dept Pediat, Childrens Inst,Hosp Clin, BR-05508 Sao Paulo, Brazil
[4] Univ Sao Paulo, Adolescents Unit, Dept Pediat, Childrens Inst,Hosp Clin, BR-05508 Sao Paulo, Brazil
[5] Univ Sao Paulo, Div Gynaecol, Hosp Clin, BR-05508 Sao Paulo, Brazil