1. Beijing Advanced Innovation Center for Biomedical Engineering
2. School of Biological Science and Medical Engineering
3. Beihang University
4. Beijing
5. P. R. China
6. Department of Material Science and Engineering
7. Zhejiang University of Technology
8. Zhejiang, 310014
9. Department of Biomedical Engineering
10. City University of Hong Kong
11. Hong Kong
12. China