1. Department of Research and Innovation, Haugesund Hospital, Haugesund, Norway;
2. Department of Pathology, Oslo University Hospital, Oslo, Norway;
3. Department of Pathology, Akershus University Hospital, Lørenskog, Norway;
4. Department of Hematology and Stem Cell Transplantation, Division of Medicine, Turku University Hospital, Turku, Finland;
5. Department of Internal Medicine, Turku City Hospital, Turku, Finland;
6. Department of Haematology, Herlev Hospital, University of Copenhagen, Herlev, Denmark;
7. Department of Medicine, Haukeland University Hospital, Bergen, Norway;
8. Section for Hematology, Department of Clinical Science, University of Bergen, Bergen, Norway;
9. Medical Department, Drammen Hospital, Vestre Viken Trust, Drammen, Norway;
10. Department of Medicine, Akershus University Hospital, Lørenskog, Norway;
11. Department of Haematology, Oslo University Hospital, Oslo, Norway;
12. Department of Hematology and Oncology, Stavanger University Hospital, Stavanger, Norway;
13. Department of Medicine, Ålesund Hospital, Ålesund, Norway;
14. Department of Medicine, Levanger Hospital, Levanger, Norway;
15. Department of Hematology, St Olav University Hospital, Trondheim, Norway;
16. Faculty of Medicine, University of Oslo, Oslo, Norway; and
17. Institute of Clinical Medicine, University of Oslo, Oslo, Norway