1. Department of Biomedical and Surgical Sciences, Section of Ophthalmology, University of Perugia, S. Maria della Misericordia Hospital, Perugia, Italy
2. Department of Internal Medicine, University of Perugia, S. Maria della Misericordia Hospital, Perugia, Italy
3. Department of Ophthalmology, Fattouma Bourguiba University Hospital, Faculty of Medicine, University of Monastir, Monastir, Tunisia
4. Centre de l’Odéon, Paris, France
5. The Macula Onlus Foundation, Genova, Italy