1. Ophthalmology Department, “Fondazione Policlinico Universitario A. Gemelli, IRCCS”, 00168 Rome, Italy
2. Ophthalmology Department, Catholic University “Sacro Cuore”, Rome, Italy
3. Catholic University “Sacro Cuore”, Faculty of Medicine and Surgery, Rome, Italy
4. Ophthalmology, Department of Surgical, Medical and Molecular Pathology and Critical Care Medicine, University of Pisa, 56126 Pisa, Italy