1. Department of Neurology University Hospital Carl Gustav Carus Technische Universität Dresden Dresden Germany
2. Department of Psychotherapy and Psychosomatic Medicine University Hospital Carl Gustav Carus Technische Universität Dresden Dresden Germany
3. Institute of Clinical Pharmacology University Hospital Carl Gustav Carus Technische Universität Dresden Dresden Germany
4. Department of Neurology Beth Israel Deaconess Medical Center Harvard Medical School Boston Massachusetts