1. Department of Obstetrics and Gynecology, Hadassah Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem 91121, Israel
2. Department of Obstetrics and Gynecology, Rabin Medical Center, Petach-Tikva 49414, Israel
3. Department of Obstetrics and Gynecology, Soroka University Medical Center, School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva 84101, Israel
4. Faculty of Medicine, Bar Ilan University, Safed 13115, Israel