[1] Cwm Taf Univ, Hlth Board, Royal Glamorgan Hosp, Dept Ophthalmol, Cardiff, S Glam, Wales
[2] Royal Liverpool & Broadgreen Univ Hosp NHS Trust, Royal Liverpool Univ Hosp, St Pauls Eye Unit, Liverpool, Merseyside, England
[3] Univ Hosp Birmingham NHS Fdn Trust, Dept Ophthalmol, Birmingham, W Midlands, England
[4] Birmingham Hlth Partners, Ctr Rare Dis, Inst Translat Med, Birmingham, W Midlands, England
[5] Tufts Univ, Tufts Med Ctr, Sch Med, New England Eye Ctr, Boston, MA USA
[6] Moorfields Eye Hosp NHS Fdn Trust, NIHR Biomed Res Ctr Ophthalmol, London, England
[7] UCL Inst Ophthalmol, London, England
[8] Univ Birmingham, Inst Inflammat & Ageing, Acad Unit Ophthalmol, Birmingham, W Midlands, England