1. NIHR Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust, London, UK
2. Moorfields South, Croydon University Hospital, London, UK
3. Moorfields South, St George’s Hospital, London, UK
4. University College London, Institute of Ophthalmology, London, UK
5. University of Southampton, Southampton Eye Unit, Southampton, UK
6. Manchester University, Manchester Royal Eye Hospital, Manchester, UK