aDepartment of Orthopedics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

bDepartment of Rehabilitation, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

cDepartment of Orthopedics, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China

Jie Chang, Binyu Wang, and Lipeng Yu contributed equally to this work.

All donors from the Department of Anatomy in Nanjing Medical University signed an informed written consent form prior to death. The Ethics Committee of Nanjing Medical University approved this study.

The National Natural Science Foundation of China (Grant #81871773) funds were received in support of this work.

The authors report no conflicts of interest.

Address correspondence and reprint requests to Xiaojian Cao, MD, PhD, 300 Guangzhou Road, Nanjing 210029, Jiangsu, China; E-mail: [email protected]