1 Department of Medicine, Surgery and Neurosciences, University of Siena, Siena, Italy; UOC Neurologia e Malattie Neurometaboliche, Azienda Ospedaliero-Universitaria Senese, Siena, Italy.
2 Evalab-Neurosense, Department of Medicine, Surgery and Neuroscience, University of Siena, Italy.
3 Molecular Medicine for Neurodegenerative and Neuromuscular Diseases Unit, IRCCS Fondazione Stella Maris, Pisa, Italy.
5 Unit of Neurology and Neuromuscular Disorders, Department of Clinical and Experimental Medicine, University of Messina, Italy.
6 Department of Medicine, Surgery, and Neurosciences, University of Siena, Siena, Italy; UOC Neurologia e Malattie Neurometaboliche, Azienda Ospedaliero-Universitaria Senese, Siena, Italy; Evalab-Neurosense, Department of Medicine, Surgery and Neuroscience, University of Siena, Italy. Electronic address: rufa@unisi.it.