1 Department of Obstetrics and Gynecology, Federal University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil bragamed@yahoo.com.br.
2 Department Maternal Child, Federal Fluminense University, Niteroi, Rio de Janeiro, Brazil.
3 Gynecology Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
4 Department of Obstetrics and Gynecology, Federal University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil.
5 Department of Obstetrics and Gynecology, Division of Gynecologic Oncology. Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.