1. Department of Clinical and Experimental Medicine; University of Messina; Messina
2. Department of Experimental Medicine, Pharmacology Section, Campania Regional Center of Pharmacovigilance and Pharmacoepidemiology; Second University of Naples; Naples
3. Department of Economics, Business, Environmental Science and Quantitative Methodologies; University of Messina; Messina
4. Caserta Local Health Service; Caserta Italy