1. Centre of Gynaecology and Medical Sexology, San Raffaele Resnati Hospital, Milan, Italy
2. Specialty School, Department of Obstetrics and Gynecology, University of Verona, Verona, Italy
3. Specialty School of Endocrinology and Metabolic Disease, Federico II University, Naples, Italy
4. Alessandra Graziottin Foundation for the Cure and Care of Pain in Women, NPO, Milan, Italy