1. Helen Schneider Hospital for Women, Rabin Medical Center, Petach Tikva, Israel;
2. The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel;
3. Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel;
4. Department of Obstetrics and Gynecology, Hillel Yaffe Medical Center, Hadera, Israel;
5. The Rappaport Faculty of Medicine, Technion, Haifa, Israel