1. Central Institute of Mental Health, University of Heidelberg, J 5, Mannheim 68159, Germany; Department of Neurology, Klinikum Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1- 3, Mannheim 68167, Germany
2. Central Institute of Mental Health, University of Heidelberg, J 5, Mannheim 68159, Germany
3. AMSEL Baden-Wuerttemberg, Regerstrasse 18, Stuttgart 70071, Germany
4. Neurological Rehabilitation Center "Quellenhof", Kuranlagenallee 2, Bad Wildbad 75323, Germany