1. National Engineering Laboratory for Modern Silk &Collaborative Innovation Center of Suzhou Nano Science and Technology
2. Soochow University
3. Suzhou 215213
4. People's Republic of China
5. Department of Dermatology
6. Shanghai Ninth People's Hospital
7. Shanghai Jiaotong University School of Medicine
8. Shanghai 200011
9. China
10. Department of Biomedical Engineering
11. Tufts University
12. Medford
13. USA