About the Authors

Liwen Zheng

Affiliation Department of Orthopedics, 2nd Xiangya Hospital, Central South University, Changsha, Hunan, PR China

Wanchun Wang

wangwanchun@yahoo.com

Affiliation Department of Orthopedics, 2nd Xiangya Hospital, Central South University, Changsha, Hunan, PR China

Jiangdon Ni

Affiliation Department of Orthopedics, 2nd Xiangya Hospital, Central South University, Changsha, Hunan, PR China

Zhihong Li

Affiliation Department of Orthopedics, 2nd Xiangya Hospital, Central South University, Changsha, Hunan, PR China

Tao Xiao

Affiliation Department of Orthopedics, 2nd Xiangya Hospital, Central South University, Changsha, Hunan, PR China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LZ WW. Performed the experiments: LZ JN ZL. Analyzed the data: LZ WW TX. Contributed reagents/materials/analysis tools: ZL. Wrote the paper: LZ WW.