1 Department of Immunology, Oslo University Hospital, 0424, Oslo, Norway.
2 Department of Pharmacology, Oslo University Hospital, 0424, Oslo, Norway.
3 Institute of Clinical Medicine, University of Oslo, 0315, Oslo, Norway.
4 Department of Neurology, Oslo University Hospital, 0424, Oslo, Norway.
5 Department of Microbiology, Oslo University Hospital, 0424, Oslo, Norway.
6 Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway.
7 Division of Method Development and Analytics, Norwegian Institute of Public Health, Oslo, Norway.
8 Division of Infectious Disease Control, Section of Immunology, Norwegian Institute of Public Health, Oslo, Norway.
9 Department of Transplantation Medicine, Oslo University Hospital, 0424, Oslo, Norway.
10 Department of Pharmacy, Oslo University, Oslo, Norway.
11 Division of Emergencies and Critical Care, Oslo University Hospital, 0424, Oslo, Norway.
12 Department of Gastroenterology, Oslo University Hospital, 0424, Oslo, Norway.
13 Influenza Centre, Department of Clinical Science, University of Bergen, Bergen, Norway.
14 Department of Clinical Science, University of Bergen, Bergen, Norway.
15 Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Oslo, Norway.
16 Research Institute of Internal Medicine, Sognsvannsveien 20, Oslo University Hospital, Oslo, Norway.
17 Norwegian PSC Research Center, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
18 Section of Gastroenterology, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital, Oslo, Norway.
19 Department of Immunology, Oslo University Hospital, 0424, Oslo, Norway. fridtjol@gmail.com.