1. Research Institute of Internal Medicine, Oslo University Hospital, Oslo, Norway
2. Institute of Clinical Medicine, University of Oslo, Oslo, Norway
3. Department of Haematology, Oslo University Hospital, Oslo, Norway
4. Department of Clinical Medicine, Thrombosis Research and Expertise Center, UiT-The Arctic University of Norway, Tromsø, Norway
5. Department of Clinical Science, University of Bergen, Bergen, Norway
6. Department of Medicine, Haukeland University Hospital, Bergen, Norway
7. Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Oslo, Norway
8. Department of Medicine, Division of Cardiovascular Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA