1 Department of Surgery and Medical-Surgical Specialties, University of Catania, Italy; Department of Neurology IC, Oasi Research Institute - IRCCS, Troina, Italy.
2 Department of Neurology, Sant'Elia Hospital, ASP Caltanissetta, Caltanissetta, Italy. Electronic address: m.cantone@asp.cl.it.
3 Department of Neurology, IRCCS Centro Neurolesi Bonino-Pulejo, Messina, Italy.
4 Department of Surgical Sciences and Advanced Technologies, University of Catania, Italy.
5 Department of Surgery and Medical-Surgical Specialties, University of Catania, Italy.
6 Research Unit of Neurology, Neurophysiology and Neurobiology, Università Campus Bio-Medico, Rome, Italy.
7 Department of Biomedical and Biotechnological Sciences, University of Catania, Italy.