About the Authors

Yuhong Xu

Contributed equally to this work with: Yuhong Xu, Shutong Shen

Affiliation Department of Gynecology and Obstetrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China

Shutong Shen

Contributed equally to this work with: Yuhong Xu, Shutong Shen

Affiliation Nanjing Medical University, Nanjing, People's Republic of China

Lizhou Sun

Lizhou_sun121@hotmail.com

Affiliation Department of Gynecology and Obstetrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China

Haiwei Yang

Affiliation Clinical Research Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China

Bai Jin

Affiliation Department of Gynecology and Obstetrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China

Xiaohui Cao

Affiliation Department of Gynecology and Obstetrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS YX. Performed the experiments: YX SS. Analyzed the data: YX SS HY. Contributed reagents/materials/analysis tools: YX SS HY BJ XC. Wrote the paper: YX SS.