Adam de Havenon1, Andrew M Southerland2. 1. From the Department of Neurology (A.d.H.), University of Utah, Salt Lake City; and Department of Neurology and Public Health Sciences (A.M.S.), University of Virginia Health System, Charlottesville. Adam.dehavenon@hsc.utah.edu. 2. From the Department of Neurology (A.d.H.), University of Utah, Salt Lake City; and Department of Neurology and Public Health Sciences (A.M.S.), University of Virginia Health System, Charlottesville.