1. Department of Orthopedic Sports Medicine
2. Huashan Hospital
3. Fudan University
4. Shanghai 200040
5. China
6. School of Chemistry and Astbury Structure for Molecular Biology
7. University of Leeds
8. Leeds LS2 9JT
9. UK
10. Department of Human Anatomy
11. Histology and Embryology
12. School of Medicine
13. Shanghai JiaoTong University
14. Shanghai 200025
15. Department of Anesthesiology
16. RenJi Hospital
17. Shanghai Jiao Tong University
18. Shanghai, 200127
19. Department of orthopedics
20. The second hospital of Fuzhou Affiliated to Xiamen University
21. Fuzhou 350007