1. Department of Obstetrics & Gynecology, Galilee Medical Center, Ziv Medical Center, Faculty of Medicine in Galilee, Bar-Ilan University, Zefat, Israel,
2. Department of Obstetrics and Gynecology, Ziv Medical Center, Faculty of Medicine in Galilee, Bar-Ilan University, Zefat, Israel,
3. Department of Obstetrics and Gynecology, Baruch Padeh Medical Center, Poriya, Israel,
4. Department of Obstetrics and Gynecology, Assaf Harofeh Medical Center, Zerifin, Israel,
5. Helen Schneider Hospital for Women, Rabin Medical Center, Petach Tikva, Israel, and
6. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel