1. The Affiliated Stomatology Hospital
2. Zhejiang University School of Medicine
3. Hangzhou 310006
4. P. R. China
5. Key Laboratory of Oral Biomedical Research of Zhejiang Province
6. National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang)
7. Zhejiang Sci-Tech University
8. Hangzhou 310018
9. China
10. MOE Key Laboratory of Macromolecular Synthesis and Functionalization
11. Department of Polymer Science and Engineering
12. Zhejiang University
13. Hangzhou 310027