1. Neuromuscular and Rare Diseases Unit, Department of Neuroscience; Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico; Milan, Italy
2. Neurology Unit, Neuroscience Section, Department of Pathophysiology and Transplantation, Dino Ferrari Centre, IRCCS Foundation Ca' Granda Ospedale Maggiore Policlinico; University of Milan; Milan Italy
3. Department of Biomedical and Dental Sciences and Morphofunctional Imaging; University of Messina; Messina, Italy
4. Department of Pathophysiology and Transplantation, Stem Cell Laboratory; Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, Centro Dino Ferrari; Milan Italy