1. Department of Obstetrics and Gynecology Catholic University of the Sacred HeartPoliclinico Agostino Gemelli IRCCS Rome Italy
2. Department of Obstetrics and Gynecology General Regional Hospital “F. Miulli” Acquaviva delle Fonti Italy
3. Department of Obstetrics and Gynecology Presidio Ospedaliero Garibaldi‐Nesima Catania Italy