1 From the Department of Neurology (T.B.), Medical University of Vienna, Austria; Department of Neurology and Neurotherapeutics (O.S.), University of Texas Southwestern Medical Center, Dallas; Neurology Section (O.S.), VA North Texas Health Care System, Medical Service, Dallas, TX; and Department of Neurology (O.S.), Klinikum rechts der Isar, Technische Universität München, Germany.
2 From the Department of Neurology (T.B.), Medical University of Vienna, Austria; Department of Neurology and Neurotherapeutics (O.S.), University of Texas Southwestern Medical Center, Dallas; Neurology Section (O.S.), VA North Texas Health Care System, Medical Service, Dallas, TX; and Department of Neurology (O.S.), Klinikum rechts der Isar, Technische Universität München, Germany. olaf.stuve@utsouthwestern.edu.