1. Department of Neuroscience, Ophthalmology Unit, University of Padova, Padova, Italy
2. Ophthalmology Service, ASL Napoli-1, Napoli, Italy
3. Ophthalmology Service, Casa di Cura Don Lorenzo Avezzano, L’Aquila, Italy
4. Ophthalmology Service, Fondazione Gemelli, Roma, Italy