1. Neurology Department, Azienda Ospedaliera-Universitaria di Modena, 41126 Modena, Italy
2. PhD Program in Clinical and Experimental Medicine, University of Modena and Reggio-Emilia, 41121 Modena, Italy
3. Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio-Emilia, 41121 Modena, Italy