1. Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry & Biomedical Sciences, Queen's University Belfast, United Kingdom
2. The Department of Anatomy, Faculty of Medicine-Rabigh, King Abdulaziz University, Saudi Arabia
3. The Centre for Public Health, School of Medicine, Dentistry & Biomedical Sciences, Queen's University Belfast, United Kingdom
4. The Ophthalmology Department, The Belfast Health and Social Care Trust, Belfast, United Kingdom
5. The Centre for Medical Education, School of Medicine, Dentistry & Biomedical Sciences, Queen's University Belfast, United Kingdom