1. Ophthalmology Clinic, Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Specialties and Public Health, University of Brescia, 1 Piazzale Spedali Civili, Brescia 25123, Italy
2. Ophthalmology Clinic, Department of Health Science, University of Molise, Campobasso 86100, Italy
3. Ophthalmology Clinic, Istituto Clinico e di Ricerca Humanitas, Rozzano 86100, Milan, Italy