[1] Univ Vita Salute San Raffaele, Dept Neurol, Milan, Italy
[2] Univ Vita Salute San Raffaele, Inst Expt Neurol, Milan, Italy
[3] Univ Basel, Dept Neurol, Univ Hosp, Basel, Switzerland
[4] Univ Basel, Dept Biomed, Univ Hosp, Basel, Switzerland
[5] Vall dHebron Univ Hosp, Unit Clin Neuroimmunol, Barcelona, Spain
[6] Univ Autonoma Barcelona, E-08193 Barcelona, Spain
[7] Russian State Med Univ, Dept Neurol & Neurosurg, Moscow 117437, Russia
[8] Moscow Multiple Sclerosis Ctr, Moscow, Russia
[9] Univ Vita Salute San Raffaele, Neuroimaging Res Unit, Inst Expt Neurol, Milan, Italy
[10] Univ Vita Salute San Raffaele, Neuroimaging Res Unit, Milan, Italy
[11] Univ Vita Salute San Raffaele, Inst Expt Neurol, Milan, Italy