1. Department of Internal Medicine, Division of Gastroenterology/Hepatology, Maastricht UMC+, Maastricht, Netherlands
2. General-, Visceral and Transplantation Surgery, Universitätsklinikum Essen, Essen, Germany
3. General-, Visceral and Transplantation Surgery, University Hospital RWTH Aachen, Aachen, Germany
4. Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
5. Department of Radiology, Maastricht UMC+, Maastricht, Netherlands
6. Department of Gastroenterology Metabolic Disorders and Internal Intensive Medicine, University Hospital RWTH Aachen, Aachen, Germany
7. Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Duesseldorf, Duesseldorf, Germany
8. Department of Surgery, Maastricht UMC+, Maastricht, Netherlands