1. Department of Hepatology and Gastroenterology; Aarhus University Hospital; Aarhus Denmark
2. Department of Medicine; Horsens Hospital; Horsens Denmark
3. Department of Gastroenterology; Odense University Hospital; University of Odense; Odense Denmark
4. Department of Clinical Biochemistry; Aarhus University Hospital; University of Aarhus; Aarhus Denmark
5. Division of Gastroenterology; University of Alberta; Edmonton AB Canada