1. Department of Human Pathology in Adulthood and Childhood "G. Barresi" University Hospital of Messina Italy
2. Department of Ophthalmology Humanitas Clinical and Research Center Rozzano/Milano Italy
3. Department of Biomedical and Dental Sciences and of Morphological and Functional Images University Hospital of Messina Italy
4. Department of Clinical and Experimental Medicine University Hospital of Messina Italy
5. Department of Public Health and Infectious Diseases Sapienza University of Rome Italy