1. Department of Infectious Diseases, Copenhagen University Hospital, Hvidovre, Denmark
2. Department of Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark
3. Department of Infectious Diseases, Odense University Hospital, Odense, Denmark
4. Centre for Public Health, Liverpool John Moores University, Liverpool, United Kingdom
5. Department of Molecular Diagnostics, Aalborg University Hospital, Aalborg, Denmark
6. Department of Medical Gastroenterology, Aalborg University Hospital, Aalborg, Denmark
7. Department of Infectious Diseases, Copenhagen University Hospital, Rigshospitalet, Denmark
8. Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
9. Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
10. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
11. Clinical Institute, University of Southern Denmark, Odense, Denmark