1. Department of Obstetrics and Gynecology, Azienda Ospedaliera Universitaria Integrata, Università degli Studi di Verona, Verona, Italy
2. Department of Obstetrics and Gynecology, Soroka University Medical Center, School of Medicine, Ben Gurion University of the Negev, Beer Sheva, Israel
3. Department of Obstetrics and Gynecology, Azienda Ospedaliera-Universitaria Policlinico di Bari, School of Medicine, University of Bari “Aldo Moro”, Bari, Italy