1. The Western Eye Hospital, Imperial College Healthcare NHS Trust (ICHNT), London, UK
2. The Imperial College Ophthalmic Research Group (ICORG), Imperial College, London, UK
3. Glaucoma and Retinal Neurodegeneration Group, Department of Visual Neuroscience, UCL Institute of Ophthalmology, London, UK
4. Department of Ophthalmology, University Vita-Salute San Raffaele, San Raffaele Scientific Institute, Milan, Italy