1. Department of Clinical Sciences, Lund University, Lund, Sweden
2. Department of Gastroenterology, Skåne University Hospital, Malmö, Sweden
3. Department of Gastroenterology and Hepatology, Linköping University, Linköping, Sweden
4. Department of Health, Medicine, and Caring Sciences, Linköping University, Linköping, Sweden
5. Department of Clinical Sciences, Lund University, Vårdhuset Malmö, Sweden