1. Hematology, Aarhus University Hospital, Aarhus, Denmark
2. Oncology, Lund University Hospital, Lund, Sweden
3. Oncology, Rikshospitalet-Radiumhospitalet Medical Center, Oslo, Norway
4. Medicine, Kuopio University Hospital, Kuopio, Finland
5. Oncology, Uppsala Academic Hospital, Uppsala, Sweden
6. Oncology, Karolinska University Hospital, Stockholm, Sweden
7. Hematology, Huddinge University Hospital, Stockholm, Sweden
8. Hematology, Rigshospitalet, Copenhagen, Denmark
9. Oncology, St. Olav University Hospital, Trondheim, Norway
10. Oncology, Umeå University Hospital, Umeå, Sweden
11. Oncology, Oulu University Hospital, Oulu, Finland
12. Medicine, Vejle Hospital, Vejle, Denmark
13. Pathology, Rikshospitalet-Radiumhospitalet Medical Center, Oslo, Norway
14. Pathology, Uppsala Academic Hospital, Uppsala, Sweden
15. Pathology, Rigshospitalet, Copenhagen, Denmark
16. Pathology, Tampere University Hospital, Tampere, Finland
17. Clinical Trial Unit, Aarhus University Hospital, Aarhus, Denmark