[1] Univ Vita Salute San Raffaele, San Raffaele Sci Inst, Neuroimaging Res Unit, INSPE,Div Neurosci, Milan, Italy
[2] Univ Vita Salute San Raffaele, San Raffaele Sci Inst, Dept Neurol, Milan, Italy
[3] Osped Gallarate, Ctr Studi Sclerosi Multipla, Gallarate, Italy
[4] C Mondino Natl Neurol Inst, Dept Child Neurol & Psychiat, Pavia, Italy
[5] Spedali Civili Brescia, Multiple Sclerosis Ctr, Brescia, Italy
[6] Univ Florence, Sect Neurosci, Dept NEUROFARBA, Florence, Italy
[7] Univ Vita Salute San Raffaele, Neuroradiol, Milan, Italy