1. Department of Gynecologic Oncology University of Health Sciences, Kartal Lütfi Kırdar City Hospital Istanbul Turkey
2. Division of Perinatology, Department of Obstetrics and Gynecology University of Health Sciences, Ankara Etlik City Hospital Ankara Turkey
3. Department of Obstetrics and Gynecology University of Health Sciences, Ankara Etlik City Hospital Ankara Turkey
4. Department of Obstetrics and Gynecology Memorial Atasehir Hospital Istanbul Turkey
5. Department of Obstetrics and Gynecology Izmir Tınaztepe University Faculty of Medicine Izmir Turkey
6. Department of Perinatology Umraniye Training and Research Hospital Istanbul Turkey
7. Kartal Lütfi Kırdar City Hospital, Department of Obstetrics and Gynecology University of Health Sciences Turkey Istanbul Turkey