About the Authors

Jin Young Jeong

Roles Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

‡ Jin Young Jeong and Hwang Sung Ook contributed equally to this work and are co-first authors.

Affiliation Hallym Research Institute of Clinical Epidemiology, Chuncheon-si, Gangwon-do, Republic of Korea

Sung Ook Hwang

Roles Data curation, Investigation, Writing – original draft, Writing – review & editing

‡ Jin Young Jeong and Hwang Sung Ook contributed equally to this work and are co-first authors.

Affiliation Department of Obstetrics and Gynecology, Inha University Hospital, Inha University School of Medicine, Incheon, Republic of Korea

Banghyun Lee

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing

banghyun.lee@gmail.com

Affiliation Department of Obstetrics and Gynecology, Inha University Hospital, Inha University School of Medicine, Incheon, Republic of Korea

Kidong Kim

Roles Conceptualization, Investigation, Methodology, Writing – review & editing

Affiliation Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam-Si, Gyeonggi-Do, Republic of Korea

Yong Beom Kim

Roles Investigation, Writing – review & editing

Affiliation Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam-Si, Gyeonggi-Do, Republic of Korea

Sung Hye Park

Roles Investigation, Writing – review & editing

Affiliation Department of Obstetrics and Gynecology, Hallym University Kangdong Sacred Heart Hospital, Seoul, Republic of Korea

Hwa Yeon Choi

Roles Investigation, Writing – review & editing

Affiliation Department of Obstetrics and Gynecology, Inha University Hospital, Inha University School of Medicine, Incheon, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.