1. Department of Obstetrics & Gynecology, Edith Wolfson Medical Center, Holon, Israel, affiliated with Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
2. Department of Pathology, Edith Wolfson Medical Center, Holon, Israel,
3. Department of Obstetrics & Gynecology, New York University School of Medicine, Lenox Hill Hospital, New York, NY, USA
4. Department of Obstetrics & Gynecology Rabin Medical Center, Petah-Tikva, Israel