[1] McGill Univ, Pathol, Montreal, PQ, Canada
[2] McGill Univ, Montreal Neurol Inst, Neurol, Montreal, PQ, Canada
[3] McGill Univ, Dept Neurol, Neuroimmunol Unit, Montreal, PQ, Canada
[4] Univ Penn, Ctr Neuroinflammat & Expt Therapeut, Philadelphia, PA 19104 USA
[5] Univ Penn, Dept Neurol, Perelman Sch Med, Philadelphia, PA 19104 USA