1. Department of Orthopedic Surgery, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China.
2. Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China.
3. Chinese PLA General Hospital, Institute of Orthopedics, The First Medical Center, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Beijing, China.
4. Department of Orthopedics, General Hospital of Chinese PLA, Eighth Medical Center, Beijing, China.