1. Eye Clinic, San Paolo Hospital, University of Milan, Milan, Italy
2. Department of Ophthalmology, Miguel Servet University Hospital, University of Zaragoza, Zaragoza, Spain
3. Unit of Ophthalmology, Ospedale Maggiore della Carita, Novara, Italy
4. Department of Ophthalmology III, Quinze-Vingts National Ophthalmology Hospital, Vision Institute, Versailles Saint-Quentin en Yvelines University, 75012 Paris, France
5. Ophthalmology, Department of Neurosciences, University of Pisa, Pisa, Italy