1. Lower Genital Tract Disease Unit, V. Buzzi Hospital–University of the Study of Milan, Milan, Italy
2. Center of Gynecology and Medical Sexology, H. San Raffaele Resnati, Milan, Italy
3. Research Center for Reproductive Medicine, Gynecological Endocrinology and Menopause, IRCCS San Matteo Foundation, Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
4. Department of Women’s and Children’s Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy