1. Department of Infectious Diseases Copenhagen University Hospital Hvidovre Denmark
2. Centre for Clinical Research, Epidemiology, Modelling and Evaluation (CREME) Institute for Global Health, UCL London UK
3. Centre of Excellence for Health, Immunity and Infections (CHIP) and PERSIMUNE Copenhagen University Hospital, Rigshospitalet Copenhagen Denmark
4. Department of Molecular Diagnostics Aalborg University Hospital Aalborg Denmark
5. Department of Medical Gastroenterology Aalborg University Hospital Aalborg Denmark
6. Department of Medical Gastroenterology Zealand University Hospital Koege Denmark
7. Department of Clinical Medicine, Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
8. Department of Gastroenterology Herlev Hospital Herlev Denmark
9. Department of Infectious Diseases Herlev Hospital Herlev Denmark
10. Department of Lung‐ and Infectious diseases North Zealand Hospital Hilleroed Denmark
11. Department of Internal Medicine and Infectious Diseases Zealand University Hospital Roskilde Denmark
12. Department of Medical Gastroenterology and Hepatology Copenhagen University Hospital, Rigshospitalet Copenhagen Denmark
13. Department of Gastroenterology Copenhagen University Hospital Hvidovre Denmark
14. Department of Infectious Diseases Aarhus University Hospital Aarhus Denmark
15. Diagnostic Center, Silkeborg Regional Hospital Silkeborg Denmark
16. Department of Internal Medicine, Kolding Hospital Kolding Denmark
17. Department of Infectious Diseases Aalborg University Hospital Aalborg Denmark
18. Department of Infectious Diseases Odense University Hospital Odense Denmark
19. Clinical Institute University of Southern Denmark Odense Denmark
20. Department of Infectious Diseases Copenhagen University Hospital, Rigshospitalet Copenhagen Denmark