1. National Institute for Health Research Moorfields Biomedical Research Centre, Moorfields Eye Hospital, London, UK
2. Population Health Research Institute, St George’s, University of London, London, UK
3. Department of Social Policy, LSE Health, London School of Economics and Political Science, London, UK
4. Homerton University Hospital Foundation Trust, London, UK
5. Bristol Eye Hospital, Bristol, UK
6. Doheny Eye Institute, Los Angeles, CA, USA
7. Centre for Health Informatics & Multiprofessional Education (CHIME), Institute of Health Informatics, University College London, London, UK