1. Faculty of Health Sciences, Department of Nursing and Health Promotion Oslo Metropolitan University Oslo Norway
2. Voss Hospital, Haukeland University Hospital Voss Norway
3. Department of Oncology Oslo University Hospital Oslo Norway
4. KG Jebsen Centre for B‐Cell Malignancies, Institute for Clinical Medicine University of Oslo Oslo Norway
5. DIPS AS Bergen Norway
6. Department of Clinical Science University of Bergen Bergen Norway
7. Department of Medical Biochemistry and Pharmacology, Hormone Laboratory Haukeland University Hospital Bergen Norway
8. Department of Medicine Haugesund Hospital Haugesund Norway