Erika Messina1, Francesco Ferraù2, Salvatore Cannavò3. 1. Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy. 2. Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy. francesco.ferrau1@gmail.com. 3. Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy.