1. Eye Clinic, Department of Experimental and Clinical Medicine, Polytechnic University of Marche, 60126 Ancona, Italy
2. Fondazione per la Macula Onlus, Di.N.O.G.Mi., University Eye Clinic, 16132 Genova, Italy
3. IRCCS—Fondazione Bietti, 00198 Rome, Italy
4. Department of Medicine and Surgery, University of Perugia, S. Maria della Misericordia Hospital, 06123 Perugia, Italy
5. Eye Clinic, Department of Surgical Sciences, University of Cagliari, 09124 Cagliari, Italy
6. Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA