[1] Mondragon Unibertsitatea, Biomed Engn Dept, Arrasate Mondragon, Spain
[2] Moorfields Eye Hosp NHS Fdn Trust, London, England
[3] Biocruces Bizkaia Hlth Res Inst, Neurodegenerat Dis Grp, Baracaldo, Spain
[4] Univ Basque Country, Dept Neurosci, Leioa, Spain
[5] UCL, Inst Ophthalmol, London, England
[6] UCL, Ctr Med Image Comp, London, England
[7] Basque Fdn Sci, Ikerbasque, Bilbao, Spain