[1] Univ Milan, Dept Biomed & Clin Sci L Sacco, Milan, Italy
[2] Hosp Vaio, Neurol Unit, Multiple Sclerosis Ctr, Fidenza, Italy
[3] ASST Lariana, Lab Clin Neuropsychol, Psychol Unit, Como, Italy
[4] Univ Polyclin Hosp G Rodolico, Multiple Sclerosis Ctr, Catania, Italy
[5] Osped San Raffaele, Neurol Dept, Milan, Italy
[6] Univ Florence, Dept NEUROFARBA, Florence, Italy
[7] Univ G dAnnunzio, Dept Neurosci Imaging & Clin Sci, Chieti, Italy
[8] San Camillo Forlanini Hosp, Dept Neurosci, Rome, Italy
[9] Univ Bari, Dept Basic Med Sci Neurosci & Sense Organs, Bari, Italy
[10] Univ Milan, Dept Pathophysiol & Transplantat, Milan, Italy