1. Wolverhampton Eye Infirmary, Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, England
2. Leighton Hospital, Crewe, Cheshire, England
3. Department of Radiology, Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, England
4. Department of Histopathology, National Specialist Ophthalmic Pathology Service (NSOPS), Royal Hallamshire Hospital, Sheffield, England