1. Department of Obstetrics and Gynecology, VKF Koc University Hospital, Istanbul, Turkey
2. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Zeynep Kamil Women and Children's Health Training and Research Hospital, Istanbul, Turkey
3. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, VKF Koc University School of Medicine, Istanbul, Turkey
4. Women's Health Center, VKF American Hospital, Istanbul, Turkey
5. Department of Obstetrics and Gynecology, VKF Koc University School of Medicine, Istanbul, Turkey