About the Authors

Hai-Juan Liu

Contributed equally to this work with: Hai-Juan Liu, Hua Yan

Affiliation Department of Endocrinology, Liaocheng People’s Hospital, Shandong, China

Hua Yan

Contributed equally to this work with: Hai-Juan Liu, Hua Yan

Affiliation Department of Medical Service, Navy General Hospital, Beijing, China

Jun Yan

awpkaka@126.com

Affiliation Department of Orthopaedic Surgery, Liaocheng People’s Hospital, Shandong, China

Hao Li

Affiliation Department of Orthopaedic Surgery, Liaocheng People’s Hospital, Shandong, China

Liang Chen

Affiliation Department of Orthopaedic Surgery, Liaocheng People’s Hospital, Shandong, China

Li-Ren Han

Affiliation Department of Orthopaedic Surgery, Liaocheng People’s Hospital, Shandong, China

Xiao-Fei Yang

Affiliation Department of Orthopaedic Surgery, Liaocheng People’s Hospital, Shandong, China

Competing Interests

Hai-juan Liu, Hua Yan, Jun Yan, Hao Li, Liang Chen, Li-ren Han, and Xiao-fei Yang have declared that no competing interests exist regarding the publication of this paper.

Author Contributions

Conceptualization: HJL JY. Data curation: HL LC. Formal analysis: HY JY. Funding acquisition: JY. Investigation: HJL JY. Methodology: HL LH XY LC. Project administration: XY JY. Resources: LH HL JY. Software: HJL JY. Supervision: HJL HY. Validation: JY LH. Visualization: JY. Writing – original draft: HJL. Writing – review & editing: JY HY.