1. Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health; University of Genoa; Genoa Italy
2. Department of Radiology; University of Genoa; Genoa Italy
3. Institute of Anatomy, Department of Experimental Medicine; University of Genoa; Genoa Italy
4. Department of Neurology; S. Andrea Hospital; La Spezia Italy