1. Department of Obstetrics and Gynecology, Soroka University Medical Center, Faculty of Health Sciences, School of Medicine, Ben-Gurion University of the Negev, Beer Sheva, Israel;
2. Department of Obstetrics and Gynecology, Azienda Ospedaliera Universitaria Policlinico di Bari, School of Medicine, University of Bari “Aldo Moro”, Bari, Italy