[1] Univ Campania Luigi Vanvitelli, Div Neurol 2, Naples, Italy
[2] Univ Genoa, Dept Hlth Sci, Sect Biostat, Genoa, Italy
[3] Tor Vergata Univ, Dept Syst Med, Multiple Sclerosis Clin & Res Unit, Rome, Italy
[4] Univ Foggia, Dept Med & Surg Sci, Foggia, Italy
[5] Federico II Univ Naples, Dept Neurosci Reprod Sci & Odontostomatol, Naples, Italy
[6] IRCCS Neuromed, I-86077 Pozzilli, Italy
[7] Tor Vergata Univ, Dept Syst Med, I-00133 Rome, Italy
[8] Fdn Policlin Univ Agostino Gemelli IRCCS, Rome, Italy
[9] Univ Cattolica Sacro Cuore, CERSM, Rome, Italy
[10] ASL Cagliari, Multiple Sclerosis Ctr, Cagliari, Italy
[11] Univ Cagliari, Dpt Med Sci & Publ Hlth, Cagliari, Italy
[12] A Cardarelli Hosp, MS & Neuroimmunol Ctr, Naples, Italy
[13] AUSL Romagna, Multiple Sclerosis Ctr, Dept Neurosci, Neurol Unit,S Mariadelle Croci Hosp, Ravenna, Italy
[14] Univ Aquila, Dept Biotechnol & Appl Clin Sci, Laquila, Italy
[15] Univ Campania Luigi Vanvitelli, Dept Med Surg Neurol Metab & Aging Sci, Clin Neurol 1, Naples, Italy
[16] Univ Pisa, Dept Clin & Expt Med, Neurol Unit, Pisa, Italy
[17] Univ Hosp San Giovanni Dio & Ruggi Aragona, Neurol Unit, I-84100 Salerno, Italy
[18] ASST Crema, Neuroimmunol & Multiple Sclerosis Ctr, Crema, Italy
[19] IRCCS Osped Policlin San Martino, Genoa, Italy