1. 1Section for Transplant Surgery, Oslo University Hospital, Oslo, Norway
2. 2Institute for Surgical Research, Oslo University Hospital, Oslo, Norway
3. 3Institute of Clinical Medicine, University of Oslo, Oslo, Norway
4. 4Research Institute of Internal Medicine, Oslo University Hospital, Oslo, Norway
5. 5Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
6. 6Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Oslo, Norway