1. Centre for Health and Society, Institute of Medical Sociology, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany
2. INSERM, Population-Based Epidemiological Cohorts Unit, UMS 011, Villejuif, France
3. Paris Descartes University, Paris, France
4. Senior Professorship on Work Stress Research, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany