1 Department "G.F. Ingrassia", Section of Neurosciences, Neurology Clinic, University of Catania, Via Santa Sofia 78, 95123, Catania, Italy.
2 Department "G.F. Ingrassia", Section of Neurosciences, Neurology Clinic, University of Catania, Via Santa Sofia 78, 95123, Catania, Italy. [email protected].
3 Department of Economics and Business, University of Catania, 95129, Catania, Italy.