1. Centre for Medical Image Computing, University College London, London, UK
2. NIHR Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, UK
3. Department of Medical Physics and Biomedical Engineering, University College London, London, UK
4. Department of Computer Science, University College London, London, UK
5. Institute of Health Informatics, University College London, London, UK