1. Department of Medical, Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, 95123 Catania, Italy
2. Department of Biomedical and Biotechnological Science, University of Catania, Catania 95123, Italy
3. Department of Internal Medicine and Systemic Diseases, University of Catania, 95123 Catania, Italy
4. Research Centre "The Great Senescence", University of Catania, 95100 Catania, Italy