University of Oslo - KG Jebsen Centre for B Cell Malignancies, University of Oslo - KG Jebsen Centre for B Cell Malignancies, University of Oslo - KG Jebsen Centre for B Cell Malignancies, University of Oslo - Institute of Clinical Medicine, Vestre Viken Hospital Trust, Oslo University Hospital - Department of Immunology, University of Oslo - Department of Immunology and Transfusion Medicine, Oslo University Hospital - Department of Microbiology, Norwegian Institute of Public - Department of Infectious Disease Surveillance and Environmental Health, Norwegian Institute of Public Health - Department of Method Development and Analytics, University of Oslo - Institute of Clinical Medicine and University of Oslo - KG Jebsen Centre for B Cell Malignancies