[1] Department of Obstetrics and Gynecology, Guro Hospital, Korea University College of Medicine, Seoul,08308, Korea, Republic of
[2] Department of Obstetrics and Gynecology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul,06229, Korea, Republic of
[3] Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul,03722, Korea, Republic of
[4] Department of Medical Device Engineering and Management, Yonsei University College of Medicine, Seoul,06229, Korea, Republic of
[5] Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul,03722, Korea, Republic of