1. Flinders Health and Medical Research Institute and College of Medicine and Public Health Flinders University Adelaide South Australia Australia
2. Department of Gastroenterology & Hepatology, Flinders Medical Centre Southern Adelaide Local Health Network Adelaide South Australia Australia
3. Department of Gastroenterology and Hepatology, St George Hospital University of New South Wales Sydney New South Wales Australia
4. Department of Gastroenterology, Neurogastroenterology & Motility University Hospitals Leuven Leuven Belgium
5. Translational Research Centre Gastrointestinal Disease (TARGID) KU Leuven Leuven Belgium
6. Deglutology, Department of Neurosciences, ExpORL University of Leuven Leuven Belgium