1. Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu 215006, China
2. School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China
3. Orthopedics Institute, Medical College, Soochow University, Suzhou 215000, China
4. State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Soochow University, Suzhou, 215123, China