1. State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, Jiangsu 210008, P.R. China
2. Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, Jiangsu 210008, P.R. China
3. Articular Orthopaedics, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou, Jiangsu 213003, P.R. China
4. Department of Orthopedics, The Affiliated Wujin Hospital of Jiangsu University, 2 Yongning Road, Changzhou, Jiangsu 213003, P.R. China