1. Department of Clinical Sciences Lund, Division of Oncology, Lund University, Lund, Sweden
2. Department of Oncology, Ryhov Hospital, Jönköping, Sweden, Jönköping; and Department of Biomedical and Clinical Sciences, Division of Oncology, Linköping University, Linköping, Sweden
3. Department of Clinical Sciences Lund, Division of Oncology, Lund University, Lund, Sweden; and Department of Oncology, Ryhov Hospital, Jönköping, Sweden, Jönköping; and Department of Biomedical and Clinical Sciences, Division of Oncology, Linköping University, Linköping, Sweden
4. Department of Biomedical and Clinical Sciences, Division of Oncology, Linköping University, Linköping, Sweden
5. Department of Biomedical and Clinical Sciences and Department of Oncology, Linköping University, Linköping, Sweden
6. Department of Clinical Sciences Lund, Division of Surgery and Oncology, Lund University, Lund, Sweden; and Department of Surgery, Skåne University Hospital, Malmö, Sweden