1. Department of Gastroenterology and Hepatology Academic Medical Centre (AMC) University of Amsterdam Amsterdam the Netherlands
2. Department of Health, Medicine and Caring Sciences Division of Diagnostics and Specialist Medicine Linköping University Linköping Sweden
3. Department of Acute Internal Medicine and Geriatrics Linköping University Hospital Linköping University Linköping Sweden
4. Department of Biomedical and Clinical Sciences Division of Inflammation and Infection Medical Faculty Linköping University Linköping Sweden
5. Department of Gastroenterology Linköping University Hospital Linköping University Linköping Sweden
6. Department of Biomedical and Clinical Sciences Division of Molecular Medicine and Virology Medical Faculty Linköping University Linköping Sweden