1. From the Neuroimmunology Unit (L.P.-J., M.B., M.G., S.S., G.C., G.M.) and Experimental Neurophysiology Unit, Division of Neuroscience, Institute of Experimental Neurology (INSPE), DIBIT-II, San Raffaele Scientific Institute (M.C., M.C., L.T., G.C., L.L.), Vita-Salute San Raffaele University, Milan, Italy; and Dulbecco Telethon Institute, Biomolecular NMR Laboratory c/o Center for Translational Genomics and Bioinformatics, Ospedale San Raffaele, Milan, Italy (E.G., S.M., G.M.).