1. Department of Biomedical Engineering
2. National University of Singapore
3. Singapore 117575
4. Institute of Materials Research and Engineering
5. A*STAR (Agency for Science
6. Department of Orthopedic Surgery
7. Singapore 119288
8. Division of Bioengineering
9. School of Chemical and Biomedical Engineering
10. Nanyang Technological University
11. Singapore 637457