1 Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway.
2 Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.
3 Department of Oncology, Oslo University Hospital, Oslo, Norway.
4 Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway. Electronic address: ragnhild.a.lothe@rr-research.no.