[1] Univ Fed Minas Gerais, Div Endocrinol Infantil & Adolescente, Dept Pediat, Fac Med,Hosp Clin, BR-30130100 Belo Horizonte, MG, Brazil
[2] Univ Fed Minas Gerais, Sch Med, Belo Horizonte, MG, Brazil
[3] Univ Fed Minas Gerais, Dept Pediat, Belo Horizonte, MG, Brazil
[4] Univ Fed Minas Gerais, Pediat Endocrinol Div, Hosp Clin, Belo Horizonte, MG, Brazil