1. Institute of Materials Research and Engineering; Agency for Science,; Technology and Research; 2 Fusionopolis Way, #08-03 Innovis Singapore 138634 Singapore
2. Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology School of Pharmaceutical Sciences; Xiamen University; Xiamen 361102 China
3. Department of Materials Science and Engineering; National University of Singapore; 9 Engineering Drive 1 Singapore 117575 Singapore
4. Faculty of Science; Health, Education and Engineering; University of the Sunshine Coast; Maroochydore Queensland 4558 Australia
5. Singapore Eye Research Institute; 11 Third Hospital Avenue Singapore 168751 Singapore