1. Department of Ophthalmology University of Catania Catania Italy
2. Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia” University of Catania Catania Italy
3. Faculty of Medicine University of Southampton Southampton UK
4. Department of Experimental Biomedicine and Clinical Neuroscience, Ophthalmology Section University of Palermo Palermo Italy
5. Department of Clinical and Experimental Medicine University of Catania Catania Italy
6. Department of Ophthalmology University of Bari Bari Italy
7. Department of Public Health University of Naples Federico II Naples Italy
8. Department of Surgical Sciences Eye Clinic Section University of Turin Turin Italy