1. Ophthalmology Clinic, Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Specialties and Public Health, University of Brescia, Brescia, Italy
2. Ophthalmology Clinic, Department of Health Science, University of Molise, Campobasso, Italy
3. Istituto Neurologico Mediterraneo, I.R.C.C.S Neuromed, Pozzilli (Isernia), Italy