1. Department of General Internal Medicine and Psychosomatics Heidelberg University Hospital Heidelberg Germany
2. Institute of Psychology, Work‐ and Organizational Psychology University Duisburg‐Essen Essen Germany
3. Clinic of Psychosomatic Medicine and Psychotherapy University Hospital Ulm Ulm Germany
4. Section of Psychosomatic Medicine, Psychotherapy and Psychooncology Department of Internal Medicine II Julius‐Maximilian University Würzburg Würzburg Germany