1. Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore
2. Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People’s Republic of China
3. School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637457, Republic of Singapore
4. Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117583, Republic of Singapore
5. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 636921, Republic of Singapore