1. Department of Surgery, school of MedicineUniversity of Campinas (UNICAMP)CampinasBrazil
2. Departament of Obstetrics and GynecologySchool of Medicine, University of Campinas (UNICAMP)CampinasBrazil
3. Departament of SurgerySchool of Medicine, University of Campinas (UNICAMP) − School of MedicineCampinasBrazil
4. Department of SurgerySchool of Medicine, University of Campinas (UNICAMP) − School of MedicineCampinasBrazil