1. Neurological Clinic, Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa and Ospedale Policlinico San Martino, Genova, Italy
2. Biostatistics Unit, Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
3. Division of Brain Sciences, Imperial College London, London, UK
4. Cell Therapy and Transfusion Medicine Unit, Careggi University Hospital, Florence, Italy