1. Department of Haematology and
2. Department of Pathology, Oslo University Hospital, Oslo, Norway;
3. KG Jebsen Centre for B-cell Malignancies and Institute of Clinical Medicine, University of Oslo, Oslo, Norway;
4. Laboratory Medicine Program, University Health Network and University of Toronto, Toronto, ON, Canada;
5. Department of Pathology, Akershus University Hospital, Lørenskog, Norway; and
6. Department of Research and Innovation, Haugesund Hospital, Helse Fonna, Haugesund, Norway