1. Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, 138634, Singapore
2. National Institution of Education, Nanyang Technological University, 1 Nanyang Walk, 637616, Singapore
3. Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
4. Institute of Medical Biology and Skin Research Institute of Singapore, Agency for Science, Technology and Research (A*STAR), 138648, Singapore
5. Skin Research Institute of Singapore, A*STAR, 138648, Singapore
6. Translational Neuroscience Laboratory, Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Drive, 636921, Singapore