1. State Key Laboratory of Tribology
2. Department of Mechanical Engineering
3. Tsinghua University
4. Beijing 100084
5. China
6. Shanghai Institute of Traumatology and Orthopaedics
7. Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases
8. Ruijin Hospital
9. Shanghai Jiao Tong University School of Medicine
10. Shanghai 200025
11. Department of Biomedical Engineering
12. The Hong Kong Polytechnic University
13. Hung Hom
14. Department of Dental Materials
15. National Engineering Laboratory for Digital and Material Technology of Stomatology
16. Peking University School and Hospital of Stomatology
17. Beijing 100081