1 Department of Gastroenterology and Hepatology, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium. pieter.sinonquel@uzleuven.be.
2 Department of Translational Research in Gastrointestinal Diseases (TARGID), KU Leuven, Herestraat 49, 3000, Leuven, Belgium. pieter.sinonquel@uzleuven.be.
3 Department of Endocrinology, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium.
4 Clinical Department of Laboratory Medicine, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium.
5 Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Herestraat, 49, 3000, Leuven, Belgium.