1. Division of Colorectal Surgery, Alfa Institute of Gastroenterology, Hospital das Clínicas, School of Medicine, Universidade Federal de Minas Gerais, Avenida Alfredo Balena 110, 30130-100 Belo Horizonte, MG, Brazil
2. Division of Gynecology and Obstetrics, School of Medicine, Federal University of Minas Gerais, Avenida Alfredo Balena 110, 30130-100 Belo Horizonte, MG, Brazil