About the Authors

Bo Liu

Affiliation Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, P. R. China

Yi Wu

Affiliation Hunan Provincial Health Bureau, Changsha, Hunan, P. R. China

Yu Zhou

Affiliation Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, P. R. China

Dan Peng

Xyeypd@163.com

Affiliation Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BL DP. Performed the experiments: BL YW YZ. Analyzed the data: BL DP. Contributed reagents/materials/analysis tools: YW YZ. Wrote the paper: BL DP. Proofread the manuscript: BL YW YZ DP.