1. Department of Gynecology and Obstetrics, Pelvic Floor Center, Fondazione IRCCS San Gerardo dei Tintori, University of Milano-Bicocca, 20900 Monza, Italy
2. Department of Gynecology and Obstetrics, Panico Pelvic Floor Center, Pia Fondazione “Cardinale G. Panico”, 73039 Tricase, Italy
3. Department of Gynecology and Obstetrics, IRCCS San Gerardo dei Tintori, University of Milano-Bicocca, 20900 Monza, Italy
4. Department of Gynecology and Obstetrics, Fondazione IRCCS San Gerardo dei Tintori, ASST Monza, Ospedale San Gerardo, 20900 Monza, Italy