1. Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, affiliated with Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
2. Department of Obstetrics and Gynecology, Rambam Medical Center, Haifa, Israel
3. Department of Obstetrics and Gynecology, New York University School of Medicine, Lenox Hill Hospital, New York, NY, USA