1. Department of Obstetrics and Gynecology, Soroka University Medical Center, Faculty of Health Sciences; Ben-Gurion University of the Negev; Beer-Sheva Israel
2. Clinical Research Center, Soroka University Medical Center, Faculty of Health Sciences; Ben-Gurion University of the Negev; Beer-Sheva Israel
3. Department of Obstetrics and Gynecology, Azienda Ospedaliero-Universitaria Policlinico di Bari; University of Bari; Bari Italy