1. Oxford Eye Hospital, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford OX3 9DU, UK
2. Nuffield Laboratory of Ophthalmology, Nuffield Department of Clinical Neuroscience, University of Oxford, Level 6 John Radcliffe Hospital, Headley Way, Oxford OX3 9DU, UK
3. Oxford Medical Genetics Laboratory, Oxford University Hospitals NHS Foundation Trust, Oxford OX3 9DU, UK
4. UCL Institute of Ophthalmology, University College London, London EC1V 9EL, UK
5. Moorfields Eye Hospital NHS Foundation Trust, London EC1V 2PD, UK
6. Department of Ophthalmology, UCSF School of Medicine, San Francisco, CA 94158, USA
7. Rare & Inherited Disease Genomic Laboratory, Great Ormond Street for Children NHS Foundation Trust, London WC1N 3JN, UK