Jae-Weon Kim, M.D., Ph.D., Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul, Republic of Korea.
Aikou Okamoto, M.D., Ph.D., Department of Obstetrics and Gynecology, Jikei University School of Medicine, Tokyo, Japan.
Jianliu Wang, M.D., Ph.D., Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing, China.
