Bedfordshire Hospitals NHS Foundation Trust, UK.
Moorfields Eye Hospital, London, UK.
Maidstone and Tunbridge Wells NHS Trust, UK.
Glangwili General hospital, Carmarthen.
Birmingham & Midland Eye Centre, Sandwell and West Birmingham NHS Trust, Birmingham, UK.
Walsall Manor Hospital, UK.
University of Birmingham.
University of Birmingham.
Queen’s Medical Centre, Nottingham University Hospitals NHS Trust, UK.
West Suffolk Hospital NHS Foundation Trust, Suffolk, UK.