1. Institute of Occupational, Social and Environmental Medicine, Centre for Health and Society, Faculty of Medicine, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
2. Department of Experimental Psychology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
3. Institute of Medical Sociology, Centre for Healthand Society, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany