1. Department of General, Visceral, Transplant, Vascular and Thoracic Surgery, University Hospital, Ludwig Maximilian University, Munich, Germany
2. University of Marburg, Institute of Medical Biometry and Epidemiology, Germany
3. Transplantation Center, University Hospital, Ludwig Maximilian University, Munich, Germany
4. Department of Internal Medicine V, University Hospital, Ludwig Maximilian University, Munich, Germany
5. Department of Cardiac Surgery, University Hospital, Ludwig Maximilian University, Munich, Germany
6. Department of Anesthesiology, Ludwig Maximilian University, Munich, Germany