1 KU Leuven Department of Microbiology, Immunology and Transplantation, Allergy and Clinical Immunology Research Group, Leuven, Belgium.
2 Department of Imaging & Pathology, KU Leuven, Leuven, Belgium.
3 Department of Radiology, University Hospitals Leuven, Leuven, Belgium.
4 Laboratory for Brain-Gut Axis Studies (LaBGAS), Department of Chronic Diseases, Metabolism, and Ageing (CHROMETA), Translational Research Center for Gastrointestinal Disorders (TARGID), University of Leuven, Belgium.
5 Cognitive and Affective Neuroscience Laboratory (CANlab), Center for Cognitive Neuroscience, Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH, USA.