About the Authors

Min Li

Affiliations Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China, Department of Obstetrics and Gynecology, South Branch of the Six People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China

Ying Han

Affiliation Department of Obstetrics and Gynecology, South Branch of the Six People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China

Ting-Ting Wu

Affiliation Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

Yichen Feng

Affiliation Department of Obstetrics and Gynecology, South Branch of the Six People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China

Hong-Bo Wang

shanghsunn@126.com

Affiliation Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ML HBW. Performed the experiments: ML YH YF HBW. Analyzed the data: ML TTW HBW. Contributed reagents/materials/analysis tools: ML YH TTW YF HBW. Wrote the paper: ML HBW.