About the Authors

Yaqing Gao

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft

Affiliation Department of Maternal and Child Health, School of Public Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China

Long Zhang

Roles Methodology, Supervision, Writing – review & editing

Affiliation University of Michigan School of Dentistry, Ann Arbor, Michigan, United States of America

Ashish Kc

Roles Writing – review & editing

Affiliation International Maternal and Child Health, Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden

Yinping Wang

Roles Writing – review & editing

Affiliation Department of Maternal and Child Health, School of Public Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China

Siyu Zou

Roles Writing – review & editing

Affiliation Department of Maternal and Child Health, School of Public Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China

Chunyi Chen

Roles Writing – review & editing

Affiliation Department of Maternal and Child Health, School of Public Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China

Yue Huang

Roles Writing – review & editing

Affiliation Department of Maternal and Child Health, School of Public Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China

Xiaoyi Mi

Roles Writing – review & editing

Affiliation Department of Maternal and Child Health, School of Public Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China

Hong Zhou

Roles Supervision, Writing – review & editing

hongzhou@bjmu.edu.cn

Affiliation Department of Maternal and Child Health, School of Public Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.