1. Department of Orthopaedics
2. The Second Xiangya Hospital
3. Central South University
4. Changsha
5. P.R. China
6. The Third Ward of Department of Orthopedics
7. The Second Hospital of Dalian Medical University
8. Dalian
9. P. R. China
10. Department of Orthopedics
11. The Fifth People's Hospital of Shanghai
12. Fudan University
13. Shanghai 200240
14. Department of Rehabilitation Medicine
15. Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine
16. Shanghai 200011
17. China
18. College of Chemistry
19. Chemical Engineering and Biotechnology; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
20. Donghua University
21. Shanghai 201620
22. Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine
23. Shanghai