1. Division of
Bioengineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive,
Block N1.3, Singapore 637457
2. Institute of Advanced Materials (IAM), Nanjing University of Technology, 210009, China
3. Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 3 Research Link, Singapore 117602