1. Department of Neurosciences, University of Messina, Messina, Italy
2. NEMO SUD Center for Neuromuscular Disorders, Messina, Italy
3. Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
4. Department of Biomedical Sciences and Morphological and Functional Images, University of Messina, Messina, Italy
5. Biomedical Department of Internal and Specialistic Medicine, University of Palermo, Palermo, Italy