1. From the Centre for Molecular Biosciences, University of Ulster, Coleraine, Northern Ireland; 2Mater Hospital, Belfast Health & Social Care Trust, Belfast, Northern Ireland; 3Cathedral Eye Clinic, University of Ulster, Belfast, Northern Ireland;
2. From the Centre for Molecular Biosciences, University of Ulster, Coleraine, Northern Ireland; 4Specsavers Opticians, Crystal Peaks, Sheffield, England;
3. Schepens Eye Research Institute and Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts; and
4. From the Centre for Molecular Biosciences, University of Ulster, Coleraine, Northern Ireland; 5Schepens Eye Research Institute and Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts; and
5. From the Centre for Molecular Biosciences, University of Ulster, Coleraine, Northern Ireland;
6. School of Dentistry, Queen's University of Belfast, Belfast, Northern Ireland.
7. Mater Hospital, Belfast Health & Social Care Trust, Belfast, Northern Ireland;