Belfast Health and Social Care Trust, Belfast, Down, United Kingdom
Frimley Park Hospital, Frimley, United Kingdom
Bradford Royal Infirmary, Bradford, United Kingdom
Bristol Eye Hospital, Bristol, United Kingdom
Centre for Living (Glasgow Caledonian University), Glasgow, United Kingdom
Anglia Ruskin University Eye Clinic, Cambridge, United Kingdom
Northern Ireland Clinical Research, Belfast, United Kingdom
Primary Joint Unit, Musgrave Park Hospital, BHSCT, Belfast, Northern Ireland, United Kingdom
Northern Health and Social Care Trust, Antrim, Northern Ireland, United Kingdom
Belfast City Hospital, Belfast, Northern Ireland, United Kingdom
Aneurin Bevan University Health Board, Newport, Gwent, United Kingdom
Royal Belfast Hopsital for Sick Children, Belfast, United Kingdom
Queen Margaret Hospital, Dunfermline, Scotland, United Kingdom
Sheffield Eye Hospital, Sheffield, United Kingdom
Manchester Eye Hospital, Manchester, United Kingdom
Royal Belfast Hospital for Sick Children, Belfast, Northern Ireland, United Kingdom
Belfast Health and Social Care Trust, Belfast, Co. Antrim, United Kingdom