1. College of Chemistry and Materials Science & Fujian Key Laboratory of Polymer Science, Fujian Normal University, Fuzhou 350007, China
2. Polymer Program, Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, United States
3. Department of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, Connnecticut 06269, United States
4. Department of Mechanical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
5. Department of Anatomy and Guangdong Provincial Key Laboratory of Medical Biomechanics, Southern Medical University, Guangzhou 510515, China
6. Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, United States
7. College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
8. Department of Biomedical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States