1. Department of Ophthalmology, University of Malaya, Kuala Lumpur, Malaysia.
2. Center for Neuroscience Research, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh, Selangor, Malaysia.
3. IIUM–International Islamic University Malaysia, Kuantan, Pahang, Malaysia.
4. Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh, Selangor, Malaysia.
5. Faculty of Medicine and Health Sciences, UNIMAS, Sarawak, Malaysia.