1. Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
2. Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
3. Department of Orthopaedics, Tianjin Hospital, Tianjin 300211, China
4. Tianjin Hospital, Tianjin University, No. 406 Jiefang South Road, Tianjin 300211, China