[1] Univ Roma La Sapienza, Neurol & Psychiat, Rome, Italy
[2] S Antonio Abate Hosp, Gallarate, Italy
[3] Univ Roma Tor Vergata, Rome, Italy
[4] S Andrea Hosp, Ctr Expt Neurol Therapies CENTERS, Rome, Italy
[5] Univ Naples 2, Dept Med Surg Neurol Metab & Aging Sci, Naples, Italy
[6] S Luigi Gonzaga Hosp, Reg MS Ctr, Orbassano, Italy
[7] Univ Vita Salute San Raffaele, S Raffaele Sci Inst, Milan, Italy
[8] ASL 8 Cagliari Univ, Cagliari, Italy
[9] Univ Hosp, MS Ctr, Dept Neurosci, Padua, Italy
[10] Univ Hosp, Dept Med & Surg Sci, Foggia, Italy
[11] Papa Giovanni XXIII Hosp, Bergamo, Italy
[12] Sch Med A Gemelli, Inst Neurol, Rome, Italy
[13] Univ G DAnnunzio, Dept Neurosci & Imaging, Chieti, Italy
[14] S Filippo Neri Hosp, Rome, Italy
[15] Univ Parma, Dept Neurosci, Parma, Italy
[16] Fdn Ist San Raffaele G Giglio, Cefalu, Italy
[17] Univ Genoa, Dept Neurosci Rehabil Ophthalmol Genet Maternal &, Genoa, Italy
[18] Univ Catania, Neurosci Sect, Dept Med & Surg Sci & Adv Technol, Catania, Italy
[19] ASUR Marche AV3, Neurol Unit, Macerata, Italy
[20] Careggi Hosp, Neurol Unit, Florence, Italy
[21] Univ Perugia, Neurol Unit, Perugia, Italy