1. Department of Obstetrics and Gynecology, Hospital State of Republic of San Marino, 47893 Borgo Maggiore, San Marino
2. Department of Obstetrics and Gynecology, Campus Bio-Medico University, 00128 Rome, Italy
3. Gynecological Disease Prevention Nucleus (NUPREV), Department of Gynecology, Paulista Medical School (UNIFESP/EPM), Federal University of São Paulo, São Paulo 04023-062, Brazil
4. Gynecological Unit, Department of Surgical Sciences, University of Rome “Tor Vergata”, 00133 Rome, Italy
5. Unit of Gynecology and Obstetrics, Department of Human Pathology of Adults and Developmental Age, “G. Martino” University Hospital, 98122 Messina, Italy
6. Department of General Surgery and Medical Surgical Specialties, University of Catania, 95123 Catania, Italy
7. Department of Obstetrics and Gynecology, “Santa Maria alla Gruccia” Hospital, 52025 Montevarchi, Italy