DanielBarthelmes, RichardWalton, Anna ECampain, Judy MSimpson, Jennifer JArnold, Ian LMcAllister, Robyn HGuymer, Alex PHunyor, Rohan WEssex, NigelMorlet, Mark CGillies,
British Journal of Ophthalmology Mar 2015, 99 (3) 359-364; DOI: 10.1136/bjophthalmol-2014-305514