[1] Univ Genoa, Dept Hlth Sci, Genoa, Italy
[2] Ctr Sclerosi Multipla ASST Spedali Civili Brescia, Montichiari, Italy
[3] ATS Sardegna, Ctr Sclerosi Multipla, Cagliari, Italy
[4] Univ Cagliari, Dipartimento Sci Med & Sanita Pubbl, Cagliari, Italy
[5] Tor Vergata Univ, Dept Syst Med, Multiple Sclerosis Clin & Res Unit, Rome, Italy
[6] Univ Genoa, Dept Neurosci Rehabil Ophthalmol Genet Maternal &, Genoa, Italy
[7] IRCCS Osped Policlin San Martino, Genoa, Italy
[8] IRCCS San Raffaele Sci Inst, Neurol Unit, Milan, Italy
[9] IRCCS San Raffaele Sci Inst, Neurorehabil Unit, Milan, Italy
[10] IRCCS San Raffaele Sci Inst, Neurophysiol Unit, Milan, Italy
[11] IRCCS San Raffaele Sci Inst, Div Neurosci, Neuroimaging Res Unit, Milan, Italy
[12] Univ Vita Salute San Raffaele, Milan, Italy
[13] ASST Papa Giovanni XXIII, Dept Neurol, Bergamo, Italy
[14] ASST Papa Giovanni XXIII, Multiple Sclerosis Ctr, Bergamo, Italy
[15] IRCCS Mondino Fdn, Multiple Sclerosis Res Ctr, Pavia, Italy
[16] Osped Guglielmo Saliceto, Multiple Sclerosis Ctr, Piacenza, Italy
[17] Univ Hosp San Luigi, Reg Referral Multiple Sclerosis Ctr, Dept Neurol, Turin, Italy
[18] Italian MS Soc, AISM Rehabil Ctr, Genoa, Italy
[19] UOSI Riabilitaz Sclerosi Multipla, IRCCS Ist Sci Neurol Bologna, Bologna, Italy
[20] City Hlth & Sci Univ Hosp Turin, MS Ctr, Dept Neurosci, Turin, Italy
[21] AUSL PR, Ctr SM UOC Neurol, Fidenza, Italy
[22] Ist Nazl Neurol Carlo Besta, Neuroimmunol Dept, Multiple Sclerosis Ctr, Milan, Italy
[23] Univ Padua, Dept Neurol, Multiple Sclerosis Ctr, Padua, Italy
[24] Univ Bari, Dept Basic Med Sci Neurosci & Sense Organs, Bari, Italy
[25] Federico II Univ Naples, Naples, Italy
[26] Univ Campania, Dept Adv Med & Surg Sci, Naples, Italy
[27] Univ Vita Salute San Raffaele, Casa Cura Privata Policlin, Milan, Italy
[28] Italian Multiple Sclerosis Fdn, Res Dept, Genoa, Italy
[29] Univ Siena, Dept Life Sci, Siena, Italy
[30] Univ Catania, Dept Med & Surg Sci & Adv Technol, GF Ingrassia, Catania, Italy
[31] Univ Catania, Ctr Sclerosi Multipla, Policlin Catania, Catania, Italy
[32] Sapienza Univ Rome, Dept Neurosci Mental Hlth & Sensory Organs, Rome, Italy
[33] IRCCS Neuromed, Unit Neurol, Pozzilli, Italy