[1] Univ Sao Paulo, Hosp Clin, Fac Med, Sao Paulo, SP, Brazil
[2] Univ Estadual Campinas, Fac Ciencias Med, Campinas, SP, Brazil
[3] Univ Fed Rio de Janeiro, Hosp Univ Clementino Fraga Filho, Rio De Janeiro, RJ, Brazil
[4] Univ Fed Ceara, Dept Med Clin Nucleo Pesquisa & Medicamentos, Fortaleza, CE, Brazil
[5] Univ Sao Paulo, Fac Med Ribeirao Preto, Hosp Clin, Dept Clin Med, Ribeirao Preto, SP, Brazil
[6] Univ Estadual Paulista UNESP, Fac Med Botucatu, Dept Clin Med, Botucatu, SP, Brazil
[7] Univ Sao Paulo, Fac Med Ribeirao Preto, Dept Ginecol Obstet, Ribeirao Preto, SP, Brazil
[8] Univ Sao Paulo, Hosp Clin HCFMUSP, Dept Obstet & Ginecol, Disciplina Ginecol,Fac Med, Sao Paulo, SP, Brazil
[9] Univ Estadual Campinas, Fac Ciencias Med, Dept Obstet & Ginecol, Unicamp, Campinas, SP, Brazil
[10] Hosp Femina, Unidade Reprod Humana, Grp Hosp Conceicao, Porto Alegre, RS, Brazil