1. Division of Endocrinology Department of Medicine (P.C.L.E., B.F.C.B., L.M.M., M.C., A.C.M.), Sao Paulo 14049-900, Brazil
2. Division of Statistics Department of Social Medicine (E.Z.M.), Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo 14049-900, Brazil