1. Abdominal Transplantation University Hospitals Leuven Leuven Belgium
2. Leuven Intestinal Failure and Transplantation (LIFT) Center University Hospitals Leuven Leuven Belgium
3. Intestinal Transplant Center Sahlgrenska University Hospital Gothenburg Sweden
4. Department of Laboratory Medicine Institute of BiomedicineSahlgrenska Hospital Gothenburg Sweden
5. Groningen Transplant Center University Medical Center GroningenUniversity of Groningen Groningen The Netherlands
6. General, Visceral and Transplant Surgery University Hospital Münster Münster Germany
7. Thoracic Surgery University Hospitals Leuven Leuven Belgium
8. Department of Chronic Diseases, Metabolism and Ageing KU Leuven Leuven Belgium