1. Department of Psychosomatic Medicine and Psychotherapy, Hanover Medical School, Carl-Neuberg-Str. 1, 30625 Hanover, Germany
2. Integrated Research and Treatment Center Transplantation IFB-Tx, Hanover Medical School, Carl-Neuberg-Str. 1, 30625 Hanover, Germany
3. Department of Heart-, Thoracic-, Transplant- and Vascular Surgery, Hanover Medical School, Carl-Neuberg-Str. 1, 30625 Hanover, Germany