1. Department of Obstetrics and Gynecology, Institute of Women’s Life Medical Science, Yonsei University College of Medicine, Seoul, Korea
2. Comprehensive Gynecologic Cancer Center, CHA Bundang Medical Center, CHA University, Seongnam-si, Gyeonggi-do, Korea
3. Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam, Korea
4. Department of Obstetrics and Gynecology, Korea University Medical Center, Korea University College of Medicine, Seoul, Korea
5. Department of Obstetrics and Gynecology, School of Medicine, Kyungpook National University, Kyungpook National University Chilgok Hospital, Daegu, Korea
6. Department of Obstetrics and Gynecology, Ewha Womans University College of Medicine, Seoul, Korea
7. Yonsei University College of Medicine, Gangnam Severance Hospital, Seoul, South Korea; Korean Gynecologic Oncology Group, Seoul, South Korea
8. Korean Gynecologic Oncology Group, Seoul, South Korea
9. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Ajou University School of Medicine, Suwon, Korea