About the Authors

Bo Yang

Affiliation Institute of Sports Medicine, Peking University Third Hospital, Haidian District, Beijing, China

Jia-Kuo Yu

yujiakuo@126.com

Affiliation Institute of Sports Medicine, Peking University Third Hospital, Haidian District, Beijing, China

Zhuo-Zhao Zheng

Affiliation Department of Radiology, Peking University Third Hospital, Haidian District, Beijing, China

Zhi-Hua Lu

Affiliation Institute of Sports Medicine, Peking University Third Hospital, Haidian District, Beijing, China

Ji-Ying Zhang

Affiliation Institute of Sports Medicine, Peking University Third Hospital, Haidian District, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JKY ZZZ. Performed the experiments: BY ZHL. Analyzed the data: BY. Contributed reagents/materials/analysis tools: JKY JYZ. Wrote the paper: BY JKY.