Department of Vision and Hearing Sciences, Cambridge, United Kingdom
Westminster Drug project, London, United Kingdom
Kimberly Court, Newquay, United Kingdom
Oak Tree Lodge, Leeds, United Kingdom
Wharfside, Otley, United Kingdom
Anglia Ruskin University, Cambridge, Cambridgeshire, United Kingdom
Mid Essex Hospital Trust, Chelmsford, Essex, United Kingdom
East Suffolk and north Essex NHS Foundation Trust, Colchester, Essex, United Kingdom
East Suffolk and North Essex Foundation Trust, Ipswich, Suffolk, United Kingdom
Carmel Moore, Chelmsford, East Of England, United Kingdom
Anglia Ruskin University, Cambridge, United Kingdom
The Queen Elizabeth Hospital NHS Foundation Trust, King's Lynn, United Kingdom
Mid Essex NHS trust, Chelmsford, Essex, United Kingdom
Southend University Hospital NHS Foundation Trust, Southend-on-Sea, Essex, United Kingdom
Vision and Eye Research Institute (VERI), Cambridge, United Kingdom