Yonsei University - Department of Obstetrics and Gynecology, Sungkyunkwan University - Biomedical Statistics Center, Seoul National University - Department of Obstetrics and Gynecology, Sungkyunkwan University - Department of Obstetrics and Gynecology, Yonsei University - Department of Obstetrics and Gynecology, Seoul National University - Department of Obstetrics and Gynecology, Sungkyunkwan University - Samsung Medical Center, Chinese Academy of Medical Sciences - Center for Gynecologic CancerNational Cancer Center, Korea - Center for Gynecologic Cancer, National University Health System (NUHS) - National University Cancer Institute, National University Health System (NUHS) - National University Cancer Institute and Yonsei University - Department of Obstetrics and Gynecology

affiliation not provided to SSRN, Yonsei University - Department of Obstetrics and Gynecology, Yonsei University - College of Medicine, affiliation not provided to SSRN, Yonsei University - Gangnam Severance Hospital, Yonsei University - Department of Obstetrics and Gynecology, Yonsei University - College of Medicine, Yonsei University, Seoul National University - Department of Obstetrics and Gynecology, Seoul National University - Seoul National University Hospital and Sungkyunkwan University - Samsung Medical Center

Yonsei University - Department of Radiation Oncology, Yonsei University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Yonsei University - Department of Obstetrics and Gynecology, Yonsei University - Gangnam Severance Hospital, Yonsei University - Department of Obstetrics and Gynecology, Yonsei University - College of Medicine and Yonsei University