1. Department of Neurology; Klinikum Ludwigshafen; Ludwigshafen Germany
2. Department of Cardiology; Klinikum Ludwigshafen; Ludwigshafen Germany
3. Institute of Public Health; University of Heidelberg; Heidelberg Germany
4. Department of Neurology; Universitätsklinikum Mannheim; University of Heidelberg; Mannheim Germany