About the Authors

Seung Joo Chon

Affiliation Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea

Bo Hyon Yun

Affiliation Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea

Yeon Soo Jung

Affiliation Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea

Si Hyun Cho

Affiliation Department of Obstetrics and Gynecology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea

Young Sik Choi

Affiliation Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea

Suk Young Kim

Affiliation Department of Obstetrics and Gynecology, Gil Hospital, Gachon University, Incheon, South Korea

Byung Seok Lee

Affiliation Department of Obstetrics and Gynecology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea

Seok Kyo Seo

tudeolseo@yuhs.ac

Affiliation Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SJC BHY SKS. Performed the experiments: SJC YSJ SKS. Analyzed the data: SJC SHC YSC. Contributed reagents/materials/analysis tools: SJC SYK SKS. Wrote the paper: SJC. Theory development: SKS SJC BSL. Identification of biological relevance: SKS BSL. Helped to write and revise the manuscript: SJC SKS.