[1] Oregon Hlth & Sci Univ, Dept Neurol, Jungers Ctr Neurosci Res, Portland, OR 97201 USA
[2] Univ Cambridge, Wellcome Trust MRC Cambridge Stem Cell Inst, Cambridge, England
[3] McGill Univ, Montreal Neurol Inst, Neuroimmunol Grp, Montreal, PQ, Canada
[4] McGill Univ, Dept Neurol & Neurosurg, Montreal, PQ, Canada
[5] Oregon Hlth & Sci Univ, Dept Mol Microbiol & Immunol MMI, Portland, OR 97201 USA
[6] Oregon Hlth & Sci Univ, Behav & Syst Neurosci, Portland, OR 97201 USA
[7] Univ Alberta, Dept Med, Div Neurol, Edmonton, AB, Canada
[8] Univ Alberta, Neurosci & Mental Hlth Inst, Edmonton, AB, Canada
[9] Univ Alberta, Dept Med Microbiol & Immunol, Edmonton, AB, Canada