1Centre for Vision, Speech and Signal Processing, The University of Surrey, Guildford, UK. c.baskerville@surrey.ac.uk.
2Mirada Medical Ltd., Oxford, UK. c.baskerville@surrey.ac.uk.
3Mirada Medical Ltd., Oxford, UK.
4Centre for Vision, Speech and Signal Processing, The University of Surrey, Guildford, UK.
5Royal Surrey NHS Foundation Trust, Guildford, UK.
6Alliance Medical Ltd., Warwick, UK.
7The Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK.
8Oxford University Hospitals NHS Foundation Trust, Oxford, UK.
9East Kent Hospitals University NHS Foundation Trust, Canterbury, UK.
10Leeds Teaching Hospitals NHS Trust, Leeds, UK.
11Faculty of Medicine and Health, University of Leeds, Leeds, UK.
12King's College London NHS Foundation Trust, London, UK.
13The Royal Wolverhampton NHS Trust, Wolverhampton, UK.