1. Department of Biomedical and Dental Sciences and Morpho-functional Imaging, University of Messina, Messina, Italy
2. Unit of Clinical Pharmacology, A.O.U. Policlinico “G. Martino”, Messina, Italy
3. Department of Clinical and Experimental Medicine, Section of Cardiology, University of Messina, Messina, Italy
4. Department of Internal Medicine, National Relevance and High Specialization Hospital Trust, Palermo, Italy
5. Cardiovascular Department, Ferrarotto Hospital, University of Catania, Catania, Italy