1. Centre for Evidence‐Based Practice Belgian Red Cross Mechelen Belgium
2. Department of Gastroenterology and Hepatology Ziekenhuis Oost‐Limburg Genk Belgium
3. Faculty of Medicine and Life Sciences Hasselt University Hasselt Belgium
4. Department of Medical Microbiology School of NUTRIM, Maastricht University Medical Centre Maastricht The Netherlands
5. Department of Public Health and Primary Care Faculty of Medicine, KU Leuven Leuven Belgium
6. Blood Service Belgian Red Cross Mechelen Belgium
7. Department of Gastroenterology and Hepatology University Hospitals KU Leuven Leuven Belgium
8. Faculty of Medicine and Health Sciences University of Ghent Ghent Belgium