1. Department of Surgical, Oncological and Stomatological Disciplines, University of Palermo, 90127 Palermo, Italy
2. Faculty of Medicine and Surgery, University of Catania, 90121 Catania, Italy
3. Neuromotor and Cognitive Rehabilitation Research Center, Physical and Rehabilitation Medicine Section, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37100 Verona, Italy
4. Neurorehabilitation Unit, Department of Neurosciences, University Hospital of Verona, 37100 Verona, Italy