1. Department of Obstetrics and Gynecology, Faculdade de Medicina de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho,” Botucatu, SP, Brazil
2. Department of Obstetrics, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
3. Department of Obstetrics and Gynecology, Faculdade de Medicina, Universidade Estadual de Campinas, São Paulo, SP, Brazil
4. Department of Gynecology, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
5. Center of Oncology, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
6. Department of Oncology Gynecology, Hospital de Amor de Barretos, Barretos, SP, Brazil