About the Authors

Yu Gao

Contributed equally to this work with: Yu Gao, Zhiming He

Affiliations Fetal Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guang Dong Province, People's Republic of China, Hoskins Center, Department of Biological Science, Mercer University School of Medicine, Savannah, Georgia, United States of America

Zhiming He

Contributed equally to this work with: Yu Gao, Zhiming He

Affiliations Fetal Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guang Dong Province, People's Republic of China, Hoskins Center, Department of Biological Science, Mercer University School of Medicine, Savannah, Georgia, United States of America

Zilian Wang

Affiliation Fetal Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guang Dong Province, People's Republic of China

Yanmin Luo

Affiliation Fetal Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guang Dong Province, People's Republic of China

Hongyu Sun

Affiliation Department of Forensic Medicine, Sun Yat-Sen University, Guangzhou, Guang Dong Province, People's Republic of China

Yi Zhou

Affiliation Fetal Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guang Dong Province, People's Republic of China

Linhuan Huang

Affiliation Fetal Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guang Dong Province, People's Republic of China

Manchao Li

Affiliation Fetal Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guang Dong Province, People's Republic of China

Qun Fang

fangqun_sums@126.com (QF); jiang_s@mercer.edu (SJ)

Affiliation Fetal Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guang Dong Province, People's Republic of China

Shiwen Jiang

fangqun_sums@126.com (QF); jiang_s@mercer.edu (SJ)

Affiliations Hoskins Center, Department of Biological Science, Mercer University School of Medicine, Savannah, Georgia, United States of America, Department of Obstetrics and Gynecology, Mayo College of Medicine, Rochester, Minnesota, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QF SWJ. Performed the experiments: YG ZMH HYS MCL. Analyzed the data: YZ. Contributed reagents/materials/analysis tools: ZLW YML LHH. Wrote the paper: YG ZMH.