About the Authors

Qing Wang

Affiliation Department of Orthopaedics Surgery, Wuhan General Hospital of Guangzhou Command, Wuhan, China

Jie Cai

Affiliation Department of Orthopaedics Surgery, Wuhan General Hospital of Guangzhou Command, Wuhan, China

Xian-hua Cai

Affiliation Department of Orthopaedics Surgery, Wuhan General Hospital of Guangzhou Command, Wuhan, China

Lei Chen

webberchen@foxmail.com

Affiliation Department of Orthopaedics Surgery, Wuhan General Hospital of Guangzhou Command, Wuhan, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QW LC. Performed the experiments: QW. Analyzed the data: QW JC. Contributed reagents/materials/analysis tools: LC XC. Wrote the paper: QW.