1. Medical School of Chinese PLA, Beijing, China
2. Institute of Orthopaedics, Chinese PLA General Hospital; Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, 28 Fuxing Road, Haidian District, Beijing, China
3. School of Medicine, Nankai University, Tianjin, China
4. The Second People’s Hospital of Guiyang, Guiyang, Guizhou, China
5. Department of Orthopaedic Surgery, Beijing Jishuitan Hospital, Fourth Clinical College of Peking University, Beijing, China