1. Department of Orthopaedics, The First People's Hospital of Wujiang, Suzhou, Jiangsu 215200, P.R. China
2. Cyrus Tang Hematology Center, Soochow University, Suzhou, Jiangsu 215006, P.R. China
3. Department of Surgery, The First People's Hospital of Wujiang, Suzhou, Jiangsu 215200, P.R. China
4. Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China