1. IRCCS Fondazione G. B. Bietti, Rome, Italy
2. Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
3. Department of Medicine–Ophthalmology, University of Udine, Udine, Italy
4. Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Ophthalmology, Amsterdam Public Health Research Institute, Amsterdam, the Netherlands
5. Department of Neurosciences, Psychology, Drug Research and Child Health, University of Firenze and Careggi University Hospital, Florence, Italy
6. Centre for Public Health, Queen’s University of Belfast, Belfast, United Kingdom