About the Authors

Sung Woo Kim

Contributed equally to this work with: Sung Woo Kim, Soo Jin Han

Roles Conceptualization, Investigation, Writing – original draft

Affiliation Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul, South Korea

Soo Jin Han

Contributed equally to this work with: Sung Woo Kim, Soo Jin Han

Roles Data curation, Investigation

Affiliation Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul, South Korea

Ji Yeon Han

Roles Data curation, Investigation

Affiliation Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul, South Korea

Hoon Kim

Roles Data curation, Formal analysis

Affiliations Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul, South Korea, Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University, Seoul, South Korea

Seung-Yup Ku

Roles Conceptualization, Funding acquisition, Validation, Writing – review & editing

jyhsyk@snu.ac.kr

Affiliations Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul, South Korea, Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University, Seoul, South Korea

Chang Suk Suh

Roles Project administration, Supervision

Affiliations Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul, South Korea, Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University, Seoul, South Korea

Competing Interests

The authors have declared that no competing interests exist.