[1] Sapienza Univ, Dept Human Neurosci, Rome, Italy
[2] Sapienza Univ, MS Ctr, S Andrea Hosp, Rome, Italy
[3] IRCCS Neuromed, Neurol Unit, Pozzilli, Italy
[4] A Cardarelli Hosp, Multiple Sclerosis Ctr, Naples, Italy
[5] Tor Vergata Univ, Dept Syst Med, Multiple Sclerosis Clin & Res Unit, Rome, Italy
[6] Azienda Osped Univ San Giovanni Dio & Ruggi Arago, Salerno, Italy
[7] Univ Naples Federico II, Dept Neurosci Reprod Sci & Odontostomatol, Naples, Italy
[8] San Paolo Hosp, Div Neurol, Naples, Italy
[9] San Paolo Hosp, MS Ctr, Naples, Italy
[10] Univ Campania Luigi Vanvitelli, Multiple Sclerosis Ctr, Div Neurol 2, Dept Adv Med & Surg Sci, Naples, Italy
[11] San Pietro Fatebenefratelli Hosp, MS Ctr, Neurol Unit, Rome, Italy