1. Santa Casa de Misericórdia, Belo Horizonte, Minas Gerais, Brazil.
2. School of Medicine, Discipline of Gynecology and Obstetrics/IPON (Oncological Research Institute), Federal University of Triangulo Mineiro, Uberaba, Minas Gerais, Brazil.
3. School of Medical Sciences of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
4. School of Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.