About the Authors
- Eun-Saem Choi
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Roles Conceptualization, Writing – original draft, Writing – review & editing
Affiliation Department of Obstetrics and Gynecology, Korea University College of Medicine, Korea University Anam Hospital, Seoul, Korea
- Hwasun Lee
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Roles Methodology
Affiliation Department of Biostatistics, Korea University College of Medicine, Seoul, Korea
- Se Jin Lee
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, School of Medicine Kangwon National University, Chuncheon-si, Gangwon-Do, Korea
- Young Mi Jung
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
- Ho Yeon Kim
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
- Seung Mi Lee
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
- Kyung A. Lee
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Ewha Womans University School of Medicine, Seoul, Korea
- Hyun-Joo Seol
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Kyung Hee University School of Medicine, Seoul, Korea
- Hyun Sun Ko
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Sung Hun Na
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, School of Medicine Kangwon National University, Chuncheon-si, Gangwon-Do, Korea
- Dong Wook Kwak
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Ajou University School of Medicine, Suwon, Korea
- Han-Sung Hwang
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
- Sooran Choi
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, College of Medicine, Inha University, Incheon, Korea
- Soon-Cheol Hong
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Korea University College of Medicine, Korea University Anam Hospital, Seoul, Korea
- Hye-Sung Won
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Suk Young Kim
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Gachon University Gil Hospital, Incheon, South Korea
- Hai-Joong Kim
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Roles Project administration
Affiliation Department of Obstetrics and Gynecology, Kyung Hee University School of Medicine, Seoul, Korea
- Ki Hoon Ahn
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Roles Conceptualization, Methodology, Writing – review & editing
* E-mail: akh1220@hanmail.net
Affiliation Department of Obstetrics and Gynecology, Korea University College of Medicine, Korea University Anam Hospital, Seoul, Korea
Competing Interests
The authors have declared that no competing interests exist.