1. From the Department of Neurology (E.L.S., A.D., A.H.), and Department of Internal Medicine (B.R.E.H., A.R.Z.), University of Utah School of Medicine, Salt Lake City; Department of Neurology (N.S.), Tufts University Medical Center, Boston, MA; Department of Neurology (M.A.), Medical University of South Carolina, Charleston; Department of Neurology (S.Y.), Brown University Alpert School of Medicine, Providence, RI; and Department of Neurology (N.H.P., A.H.), Yale University School of Medicine, New...