[1] Univ Genoa, Dept Neurosci Rehabil Ophthalmol Genet Maternal &, Genoa, Italy
[2] Osped Policlin San Martino, IRCCS, Genoa, Italy
[3] Univ Hosp S Luigi Gonzaga, Reg MS Ctr, Orbassano, Italy
[4] Univ Genoa, Dept Hlth Sci, Genoa, Italy
[5] Univ Tor Vergata, Clin Neurol, Dipartimento Neurosci, Rome, Italy
[6] Fdn Santa Lucia, CERC, Rome, Italy
[7] ASST Valle Olona, Multiple Sclerosis Study Ctr, Gallarate, Italy
[8] IRCCS Ist Neurol Mediterraneo Neuromed, Pozzilli, Italy
[9] IRCCS Fdn Ist Neurol Carlo Besta, Neuroimmunol & Neuromuscular Dis Unit, Milan, Italy
[10] Osped Ca Foncello, AULSS Marca Trevigiana 2, UOC Neurol, Treviso, Italy
[11] Univ Cagliari, Osped Binaghi, Dipartimento Sci Med & Sanita Pubbl, Ctr Sclerosi Multipla, Cagliari, Italy