1. Clinic for Psychosomatic Medicine and Psychotherapy, LVR Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
2. Department of Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, Eberhard Karls University Tübingen, Tübingen 72076, Germany*Alexander Bäuerle and Ms. Johanna Graf contributed equally to this article