About the Authors

Hongxiu Zhang

hongxiuz@hotmail.com

Affiliation Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China

Jie Wu

Affiliations Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China, State Key Laboratory of Reproductive Medicine, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China

Lipeng Yu

Affiliation Department of Orthopaedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HXZ LPY. Performed the experiments: HXZ JW LPY. Analyzed the data: HXZ. Contributed reagents/materials/analysis tools: HXZ. Wrote the paper: HXZ JW.