1 From the Department of Postgraduate Medical Education (R.S., C.S.), Department of Medicine, Division of Neurology, University Health Network (P.A.), and Department of Laboratory Medicine and Pathobiology (T.-R.K.), University of Toronto; and Department of Pathology (T.-R.K.), University Health Network, Toronto, ON, Canada. raphael.schneider@utoronto.ca.
2 From the Department of Postgraduate Medical Education (R.S., C.S.), Department of Medicine, Division of Neurology, University Health Network (P.A.), and Department of Laboratory Medicine and Pathobiology (T.-R.K.), University of Toronto; and Department of Pathology (T.-R.K.), University Health Network, Toronto, ON, Canada.