1 From the Department of Neurology (Z.E.Z.), Kiel University, Germany; and Department of Neurology (J.A.v.G.), University of Alabama at Birmingham, Huntsville. k.zeuner@neurologie.uni-kiel.de.
2 From the Department of Neurology (Z.E.Z.), Kiel University, Germany; and Department of Neurology (J.A.v.G.), University of Alabama at Birmingham, Huntsville.