1. Translational Research Center for Gastrointestinal Disorders (TARGID); University of Leuven; Leuven Belgium
2. Department of Internal Medicine & Clinical Nutrition; Institute of Medicine; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
3. Department of Public Health and Primary Care; Universiteit Leuven (KU Leuven); Leuven Belgium
4. Institute of Health and Society; Université catholique de Louvain (UCL); Brussels Belgium
5. Center for Functional Gastrointestinal and Motility Disorders; University of North Carolina at Chapel Hill; Chapel Hill NC USA