1. From the Division of Gastroenterology and Hepatology (JA, BTKV, AAMM) Department of Internal Medicine Maastricht University Medical Center Maastricht The Netherlands
2. Governor Kremers Centre‐Maastricht University Medical Centre(SR) Maastricht The Netherlands
3. Department of Psychiatry (CLC) Vrije Universiteit Brussel (VUB) Universitair Ziekenhuis Brussel (UZ Brussel) Brussels Belgium
4. Toxicological Center (CLC, AN, HN) University of Antwerp Antwerp Belgium
5. NUTRIM School of Nutrition and Translational Research in Metabolism (AAMM, SWMO‐D) Maastricht University Maastricht The Netherlands
6. Department of Surgery (Maastricht University Medical Center Maastricht The Netherlands
7. Department of General, Visceral and Transplantation Surgery (RWTH University Hospital Aachen Aachen Germany
8. Division of Imaging Mass Spectrometry (RMAH) Maastricht MultiModal Molecular Imaging (M4I) Institute Maastricht University Maastricht The Netherlands
9. Department of Gastroenterology and Hepatology (FN, JV) University Hospitals KU Leuven Leuven Belgium