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, Seoul National University - Department of Obstetrics and Gynecology, Seoul National University - Seoul National University Bundang Hospital, Seoul National University - Seoul National University Hospital, Seoul National University - Seoul National University Hospital, Seoul National University - Seoul National University Bundang Hospital, Seoul National University, Seoul National University - Seoul National University Bundang Hospital, Seoul National University - Seoul National University Bundang Hospital, Seoul National University - Seoul National University Hospital, Seoul National University - Department of Obstetrics and Gynecology, Seoul National University - College of Medicine and Seoul National University - Department of Obstetrics and Gynecology