About the Authors

Qi-ling Yuan

Affiliation Department of Orthopaedics of the First Affiliated Hospital, Medical School, Xi’an Jiaotong University, Xi’an 710061, China

Tuan-mao Guo

Affiliation Second department of Orthopaedics, Xianyang Central Hospital, Xianyang, Shaanxi, P.R. 712000, China

Liang Liu

Affiliation Department of Orthopaedics of the First Affiliated Hospital, Medical School, Xi’an Jiaotong University, Xi’an 710061, China

Fu Sun

Affiliations Department of Orthopaedics of the First Affiliated Hospital, Medical School, Xi’an Jiaotong University, Xi’an 710061, China, Department of Orthopaedics of the Affiliated Hospital of Xi’an Medical College, Xi’an 710077, China

Yin-gang Zhang

zyingang@mail.xjtu.edu.cn

Affiliation Department of Orthopaedics of the First Affiliated Hospital, Medical School, Xi’an Jiaotong University, Xi’an 710061, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QLY TMG YGZ. Performed the experiments: QLY YGZ LL FS TMG. Analyzed the data: QLY YGZ TMG. Contributed reagents/materials/analysis tools: QLY YGZ LL FS TMG. Wrote the paper: QLY YGZ.