1. Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
2. Department of Neurology, Franz Tappeiner Hospital, Merano, Italy
3. Pediatric Neurology and Muscular Diseases Unit, DINOGMI-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