| Affiliation: | 1. Department of Radiation Oncology, Johns Hopkins Hospital, Baltimore, Maryland;2. Department of Oncology, Oslo University Hospital-Radium Hospital, Oslo, Norway;3. Department of Radiology, Oslo University Hospital-Radium Hospital, Oslo, Norway Faculty of Clinical Medicine, University of Oslo, Oslo, Norway;4. Department of Oncology, Østfold Hospital Trust, Kalnes, Østfold, Norway;5. Division for Radiology and Nuclear Medicine, Department of Research and Development, Oslo University Hospital, Oslo, Norway |
