1. Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
2. Division of Neurology, “Franz Tappeiner” Hospital, Merano, Italy
3. Pediatric Neurology and Muscular Diseases Unit, Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, “G. Gaslini” Institute, Genova, Italy
4. Neurology Unit, S. Anna Hospital, Como, Italy