[1] Moorfields Biomed Res Ctr, Natl Inst Hlth Res, 162 City Rd, London EC1V 2PD, England
[2] Imperial Coll London, Imperial Clin Trials Unit, Sch Publ Hlth, London, England
[3] Kings Coll London, Kings Hlth Partners, Kings Clin Trials Unit, London, England
[4] Wolverhampton Eye Infirm, Wolverhampton, W Midlands, England
[5] Univ Liverpool, Eye & Vis Sci, St Pauls Eye Unit, Royal Liverpool Univ Hosp, Liverpool, Merseyside, England
[6] Liverpool Hlth Partners, Liverpool, Merseyside, England
[7] Univ Southampton, Dept Med, Southampton, Hants, England
[8] Queens Univ Belfast, Biomed Sci, Belfast, Antrim, North Ireland
[9] Kings Coll Hosp NHS Fdn Trust, Dept Ophthalmol, London, England
[10] Royal Liverpool & Broadgreen Univ Hosp NHS Trust, St Pauls Eye Unit, Liverpool, Merseyside, England
[11] Queens Univ Belfast, Dept Ophthalmol, Royal Victoria, Belfast, Antrim, North Ireland
[12] Royal Blackburn Hosp, Dept Ophthalmol, Blackburn, Lancs, England
[13] Bradford Teaching Hosp NHS Fdn Trust, Bradford Ophthalmol Res Network, Bradford, W Yorkshire, England
[14] Wolverhampton & Midland Counties Eye Infirm, New Cross Hosp, Wolverhampton, W Midlands, England
[15] Sussex Eye Hosp, Brighton, E Sussex, England
[16] Bristol Eye Hosp, Bristol, Avon, England
[17] West Suffolk NHS Fdn Trust, Dept Ophthalmol, Bury St Edmunds, Suffolk, England
[18] Torbay Hosp, Dept Ophthalmol, Torquay, Devon, England
[19] Essex Cty Hosp, Dept Ophthalmol, Colchester, Essex, England
[20] Hosp St Cross, Macular Unit, Rugby, England
[21] Birmingham & Midlands Eye Clin, Birmingham, W Midlands, England
[22] Kent & Canterbury Hosp, Canterbury, Kent, England
[23] Frimley Pk Hosp NHS Fdn Trust, Dept Ophthalmol, Surrey, England
[24] Barts Hlth NHS Trust, Whipps Cross Hosp, London, England
[25] James Paget Univ Hosp, Great Yarmouth, Norfolk, England
[26] Royal Surrey Cty Hosp, Dept Ophthalmol, Guildford, Surrey, England
[27] Harrogate & Dist NHS Fdn Trust, Harrogate, N Yorkshire, England
[28] York Teaching Hosp NHS Fdn Trust, York, N Yorkshire, England
[29] Cty Durham & Darlington NHS Fdn Trust, Darlington Mem Hosp, Darlington, Durham, England
[30] Leeds Teaching Hosp NHS Trust, St Jamess Univ Hosp, Dept Ophthalmol, Leeds, W Yorkshire, England
[31] Hillingdon Hosp NHS Fdn Trust, Dept Ophthalmol, London, England
[32] Maidstone & Tunbridge Wells NHS Trust, Dept Ophthalmol, Tunbridge Wells, Kent, England
[33] Moorfields Eye Hosp, London, England
[34] Manchester Univ NHS Fdn Trust, Cent Manchester Hosp, Manchester, Lancs, England
[35] Royal Victoria Infirm, Newcastle Upon Tyne, Tyne & Wear, England
[36] Luton & Dunstable NHS Univ Hosp, Luton, Herts, England
[37] Univ Hosp Wales, Cardiff, S Glam, Wales
[38] Sunderland Eye Infirm, Sunderland, Tyne & Wear, England
[39] North Glamorgan NHS Trust, Royal Glamorgan Hosp, Llantrisant, Wales
[40] Sheffield Teaching Hosp NHS Fdn Trust, Sheffield, S Yorkshire, England
[41] Addenbrookes Hosp, Cambridge, England
[42] Gartnavel Royal Hosp, Dept Ophthalmol, Glasgow, Lanark, Scotland
[43] Bolton NHS Fdn Trust, Dept Ophthalmol, Bolton, England
[44] Calderdale Royal Hosp, Halifax, England
[45] Univ Hosp Leicester NHS Trust, Leicester, Leics, England
[46] Norfolk & Norwich Univ Hosp, Dept Ophthalmol, Norwich, Norfolk, England
[47] Cheltenham Gen Hosp, Cheltenham, Glos, England
[48] Hull & East Yorkshire Hosp NHS Trust, Dept Ophthalmol, Kingston Upon Hull, N Humberside, England
[49] Western Eye Hosp, London, England
[50] Princess Alexandra Hosp, Harlow, Essex, England