1. Department of Infectious Diseases Karolinska University Hospital Stockholm Sweden
2. Department of Medicine Huddinge Karolinska Institutet Stockholm Sweden
3. Department of Medical Sciences Section of Infectious Diseases Uppsala University Uppsala Sweden
4. Department of Infectious Diseases Örebro University Hospital Örebro Sweden
5. Department of Infectious Diseases Sahlgrenska University Hospital Gothenburg Sweden
6. Department of Infectious Diseases Danderyd University Hospital Stockholm Sweden
7. Department of Infectious Diseases Skåne University Hospital Lund Lund Sweden
8. Department of Infectious Diseases Institute of Biomedicine Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
9. Department of Infectious Diseases Skåne University Hospital Malmö Malmö Sweden
10. Department of Infectious Diseases Sunderby Hospital Lulea Sweden
11. Department of Infectious Diseases and Department of Clinical and Experimental Medicine Linköping University Linköping Sweden
12. Department of Infectious Diseases University Hospital of Umeå Umeå Sweden
13. Department of Gastroenterology and Hepatology University of Essen Essen Germany