affiliation not provided to SSRN, Seoul National University - Cancer Research Institute, University of Oklahoma - University of Oklahoma Health Sciences Center, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Seoul National University - Department of Obstetrics and Gynecology

Seoul National University - Cancer Research Institute, Seoul National University - Department of Obstetrics and Gynecology, Seoul National University - Cancer Research Institute, Catholic University of Korea - Department of Biomedicine & Health Sciences, Seoul National University - Department of Obstetrics and Gynecology, Seoul National University - Cancer Research Institute, Seoul National University - Cancer Research Institute, Seoul National University - Cancer Research Institute, Soongsil University - Department of Statistics and Actuarial Science and Seoul National University - Department of Obstetrics and Gynecology