1. Institute of Occupational, Social and Environmental Medicine, Medical Faculty, Heinrich Heine University Düsseldorf Düsseldorf Germany
2. Department of Work and Organizational Psychology, Faculty I ‐ Psychology, Trier University, Germany Trier Germany
3. Department of Psychosomatic Medicine and Psychotherapy, Faculty of Medicine, University Hospital Ulm, University of Ulm Ulm Germany
4. Department of Psychosomatic Medicine and Psychotherapy University Hospital Tuebingen, University of Tuebingen Tuebingen Germany
5. Department of Psychosomatic Medicine and Psychotherapy Otto von Guericke University Magdeburg, University Hospital Magdeburg Magdeburg Germany