1. School of Optometry and Vision Science, University of New South Wales, Sydney 2052, Australia
2. Ocular Infections and Anti-Microbials Research Group, Singapore Eye Research Institute, Singapore 169856, Singapore
3. Ophthalmology and Visual Sciences Academic Clinical Program, Duke-NUS Graduate Medical School, Singapore 169857, Singapore
4. Department of Pharmacy, National University of Singapore, Singapore 119077, Singapore
5. School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia