1. The School of Materials Science and Engineering
2. South China University of Technology
3. Guangzhou 510640
4. P. R. China
5. National Engineering Research Center for Tissue Restoration and Reconstruction
6. Department of Orthopedics
7. Guangzhou General Hospital of Guangzhou Military Command
8. Guangzhou
9. China
10. Guangdong Key Laboratory of Orthopedic Technology and Implant Materials