1. Department of Orthopedics Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
2. Department of Orthopaedic Surgery, Southern Hospital, Southern Medical University, Guangzhou 510515, China
3. Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Key Laboratory of Tissue Engineering, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China