1. Corneal and External Eye Disease Service, Singapore National Eye Centre, Singapore
2. Eye-Academic Clinical Program, Duke-National University of Singapore Medical School, Singapore
3. Ocular Surface Research Group, Singapore Eye Research Institute, Singapore
4. Department of Ophthalmology, Yong Loo Lin School of Medicine, Singapore
5. Santen Pharmaceutical Co., Ltd., Nara Research & Development Center, Ikoma-Shi, Japan