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. [email protected].
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.