Affiliation: | 1. Department of General Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil;2. Department of Obstetrics and Gynecology, Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil;3. Department of Obstetrics and Gynecology, Faculty of Medicine of Ribeir?o Preto, University of S?o Paulo, Ribeir?o Preto, S?o Paulo, Brazil |