1 From the Department of Neurology (C.L.T., L.L.I., I.J.); Institute of Neuropathology (K.F.), University Hospital Zurich and University of Zurich, Switzerland; Institute of Neurology (K.F.), Queen Square Brain Bank, University College London, United Kingdom; Cantonal Hospital of Zug (M.S.-G.), Baar; Swiss Epilepsy Center (L.L.I.), Klinik Lengg, Zurich; Neuroimmunology and MS Research (NIMS) (I.J.), Department of Neurology and University of Zurich, University Hospital Zurich; and Neuroimmunology Outpatient Clinic (I.J.), Center for Multiple Sclerosis, Neurocenter, Bellevue, Zurich, Switzerland.