1. Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 P. R. China
2. University of Chinese Academy of Sciences Beijing 100039 P. R. China
3. Department of Biomedical Engineering City University of Hong Kong Hong Kong 999077 P. R. China
4. School of Materials Science and Engineering Hunan University Changsha 410000 P. R. China
5. Department of Materials Science and Engineering Fujian University of Technology Fujian 350108 P. R. China
6. Institute of Textiles and Clothing The Hong Kong Polytechnic University Hong Kong 999077 P. R. China