1. National Specialist Ophthalmic Pathology Service (NSOPS), Department of Histopathology, E-Floor, Royal Hallamshire Hospital, Sheffield, UK
2. Oculoplastics, Lacrimal and Orbital, Department of Ophthalmology, A Floor, Royal Hallamshire Hospital, Sheffield, UK
3. Electron Microscopy Unit, Department of Histopathology, F-Floor, Royal Hallamshire Hospital, Sheffield, UK
4. Sheffield Ocular Oncology Service, Department of Ophthalmology, A Floor, Royal Hallamshire Hospital, Sheffield, UK