1. Pos-Graduation Program in Medical Sciences (PPGCM), Hospital de Clínicas de Porto Alegre (HCPA). Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil;
2. Pos-Graduation Program in Health Sciences: Gynecology and Obstetrics (PPGGO), Hospital de Clínicas de (HCPA), Universidade Federal do (UFRGS), Porto Alegre, RS, Brazil