1. Fondazione per gli Studi sulla Riproduzione Umana Clinica Candela Palermo Italy
2. Department of Woman, Child and General and Specialized Surgery University of Campania "Luigi Vanvitelli" Naples Italy
3. Gynecology and Obstetrics Unit “ARNAS Civico di Cristina” Hospital Palermo Italy
4. Gynecology and Obstetrics Unit, “Villa Sofia Cervello” Hospital University of Palermo Palermo Italy