Affiliation: | 1. Department of Pathology, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway;2. Department of Tumour Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway;3. Department of Clinical Science, University of Bergen, Bergen, Norway;4. Institute of Clinical Medicine and Institute of Oral Biology, University of Oslo, Oslo, Norway;5. Department of Oncology, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway |