1. School of Medicine, Vita-Salute San Raffaele University, Milan, Italy
2. Division of Gynecology and Obstetrics, Urogynecology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
3. Department of Public Health, Experimental and Forensic Medicine, Unit of Histology and Embryology, University of Pavia, Pavia, Italy
4. Dermatology Department, University of Insubria, Varese, Italy
5. Division of Gynecology and Human Reproduction Physiopathology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
6. Department of Medical and Surgical Sciences (DIMEC), Univerity of Bologna, Bologna, Italy