[1] UCL Inst Ophthalmol, Moorfields Eye Hosp, NIHR Biomed Res Ctr, London, England
[2] Univ Helsinki, Helsinki Univ Hosp, Dept Ophthalmol, Helsinki, Finland
[3] Great Ormond St Hosp Children NHS Fdn Trust, Dept Ophthalmol, London, England
[4] Cardiff Univ, Sch Optometry & Vis Sci, Cardiff, S Glam, Wales
[5] Univ Hosp Wales, Cardiff Eye Unit, Cardiff, S Glam, Wales
[6] Cambridge Univ Hosp NHS Fdn Trust, Dept Clin Genet, Cambridge, England
[7] Moorfields Eye Hosp NHS Fdn Trust, London, England
[8] Univ Angers, CHU Angers, INSERM,CNRS,U1083,UMR 6015, PREMMi Mitochondrial Med Res Ctr,Inst MITOVASC, Angers, France
[9] CHU Angers, INSERM, U1083, Dept Biochem & Genet,UMR 6015, Angers, France
[10] UCL, Inst Ophthalmol, London, England
[11] Royal Victoria Infirm, Newcastle Eye Ctr, Newcastle Upon Tyne, Tyne & Wear, England
[12] Cambridge Univ Hosp, Addenbrookes Hosp, Cambridge Eye Unit, Cambridge, England
[13] Univ Cambridge, Dept Clin Neurosci, Cambridge Ctr Brain Repair, Cambridge, England
[14] Univ Cambridge, Dept Clin Neurosci, MRC Mitochondrial Biol Unit, Cambridge, England