1. College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
2. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
3. Zhejiang Engineering Research Center for Tissue Repair Materials, Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Science, Wenzhou, Zhejiang 325000, P. R. China
4. School of Textile and Clothing, Nantong University, Nantong 226019, P. R. China
5. Qingyuan Innovation Laboratory, Quanzhou 362801, P. R. China
6. Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore