1. Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Department I of Internal Medicine; Clinical Trials Centre Cologne, ZKS Köln, Center for Integrated Oncology CIO KölnBonn, German Centre for Infection Research, University of Cologne; Cologne Germany
2. Department of Radiology; University of Cologne; Cologne Germany, and
3. Department of Gastroenterology and Hepatology; University of Cologne; Cologne Germany