1. Department of Research and Innovation, Haugesund Hospital, Helse Fonna Hospital Trust, Haugesund, Norway;
2. Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy;
3. Cancer Division, University College London Hospitals NHS Foundation Trust, London, United Kingdom;
4. Department of Pathology, Akershus University Hospital, Lørenskog, Norway;
5. Department of Medicine, Haukeland University Hospital, Bergen, Norway;
6. Department of Oncology and Onco-Hematology, University of Milan, Milan, Italy;
7. Department of Blood and Cancer Diseases, Stavanger University Hospital, Stavanger, Norway;
8. Department of Medicine, Ålesund Hospital, Helse Møre og Romsdal Hopspital Trust, Ålesund, Norway;
9. Department of Haematology, Akershus University Hospital, Lørenskog, Norway;
10. Institute of Clinical Medicine, University of Oslo, Oslo, Norway;
11. Department of Medicine, Drammen Hospital, Vestre Viken Hospital Trust, Drammen, Norway;
12. Department of Medicine, Bærum Hospital, Vestre Viken Hospital Trust, Gjettum, Norway;
13. Department of Medicine, Nordland Hospital, Bodø, Norway;
14. Department of Hematology, St Olav University Hospital, Trondheim, Norway;
15. Faculty of Medicine and Health Sciences and
16. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway;
17. Department of Haematology and
18. Department of Pathology, Oslo University Hospital, Oslo, Norway;
19. KG Jebsen Centre for B-cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo Norway;
20. Department of Internal Medicine, Turku City Hospital, Turku, Finland;
21. Department of Hematology and Stem Cell Transplantation, Turku University Hospital, Turku, Finland;
22. Department of Medicine, Sørlandet Hospital, Kristiansand, Norway;
23. Haematology Department, Royal Free London NHS Foundation Trust, London, United Kingdom;
24. Department of Medicine, Levanger Hospital, Nord-Trøndelag Hospital Trust, Norway; and
25. Department of Internal Medicine, Østfold Hospital Trust, Grålum, Norway