Affiliation: | 1. Department of Oncology, ?rebro University Hospital, ?rebro, Sweden;2. King's College London, School of Medicine, Division of Cancer Studies, London, United Kingdom;3. Regional Cancer Centre, Uppsala, Sweden;4. Department of Surgical Sciences, Uppsala University, Uppsala, Sweden;5. Section of Oncology, Department of Radiology, Oncology, and Radiation Sciences, Uppsala University, Uppsala, Sweden;6. Department of Otorhinolaryngology and Head and Neck Surgery, Uppsala University Hospital, Uppsala, Sweden;7. Department of Oncology, Central Hospital, Karlstad, Sweden;8. Department of Oncology, Central Hospital, G?vle, Sweden |