1. Department of Medicine, Center for Infectious Medicine, Karolinska Institutet Stockholm Sweden
2. Department of Pathology Cambridge Institute for Medical Research Cambridge United Kingdom
3. Department of Medicine, Liver Immunology Laboratory Karolinska Institutet Stockholm Sweden
4. Établissement Français du Sang Université de Nantes Nantes France
5. Institute for Cancer Research Oslo University Hospital Oslo Norway
6. Institute of Clinical Medicine University of Oslo Oslo Norway