1. From the Djavad Mowafaghian Centre for Brain Health (S.S., J.C., J.G., C.L.W.), Department of Pathology and Laboratory Medicine (S.S, J,C, J.G.,C.L.W.) Division of Neurology, Department of Medicine (N.F.), Division of Neurosurgery (S.P., T.A., N.D.), Michael Smith Laboratories (M.A.S.), and School of Biomedical Engineering (C.L.W.), University of British Columbia, Vancouver, British Columbia; Praxis Spinal Cord Institute (N.F.), and Vancouver Spine Research Program (L.B., L.R., A.T.), Vancouver...