1 From the Department of Neurology (J.R.A., S.L.C.), University of Utah; and George E. Wahlen Veterans Affairs Medical Center (S.L.C.), Salt Lake City, UT.
2 From the Department of Neurology (J.R.A., S.L.C.), University of Utah; and George E. Wahlen Veterans Affairs Medical Center (S.L.C.), Salt Lake City, UT. stacey.clardy@hsc.utah.edu.