1. Research Institution for Biomimetics and Soft Matter; Fujian Key Provincial Laboratory for Soft Functional Materials Research; College of Materials; College of Physical Science and Technology; Xiamen University; 422 Siming Nan Road Xiamen 361005 PR China
2. Department of Advanced Interdisciplinary Studies; Institute of Basic Medical Sciences; Tissue Engineering Research Center; Academy of Military Medical Sciences; 27 Taiping Road Beijing 100850 PR China
3. Department of Physics; National University of Singapore; 2 Science Drive 3 117542 Singapore