1. School of Medicine, Nankai University, Tianjin, China.
2. Institute of Orthopedics, The First Medical Center, Chinese PLA General Hospital; Beijing Key Lab of Regenerative Medicine in Orthopedics; Key Laboratory of Musculoskeletal Trauma & War Injuries PLA; Beijing, China.
3. Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.
4. Department of Orthopedic, The First Medical Center, Chinese PLA General Hospital, Beijing, China.