[1] Galliera Hosp, Neurol Unit, Via Mura Cappuccine 14, I-16128 Genoa, Italy
[2] Univ Genoa, Dept Neurosci Rehabil Ophthalmol Genet Maternal &, Genoa, Italy
[3] Policlin San Martino, IRCCS, Genoa, Italy
[4] Galliera Hosp, Intens Care Unit, Genoa, Italy
[5] Univ Pisa, Dept Clin & Expt Med, Neurol Clin, Pisa, Italy