1. Department of Obstetrics and Gynecology, Campus Bio-Medico University Hospital Foundation Rome, Rome, Italy
2. Department of Obstetrics and Gynecology, Fatebenefratelli Hospital Isola Tiberina, Gemelli Isola, Rome, Italy
3. Department of Obstetrics and Gynecology, Prato General Hospital, Prato, Italy
4. Sant’Anna School of Advanced Studies, Institute of Management, MeS (Management and Health) Laboratory, Pisa, Italy
5. Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy