1. Centre
for Biomimetic Sensor Science, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Drive, 637553 Singapore
2. School
of Biological Sciences, Nanyang Technological University, 50 Nanyang
Avenue, 639798 Singapore
3. Wenzhou
Institute of Biomaterials and Engineering, Chinese Academy of Sciences, Wenzhou, Zhejiang, 325001 China