1. South East Wales Cancer Network, Department of Surgery, University Hospital of Wales, Cardiff, UK
2. South East Wales Cancer Network, Wales Cancer Trials Unit, University Hospital of Wales, Cardiff, UK
3. South East Wales Cancer Network, Department of Radiology, University Hospital of Wales, Cardiff, UK
4. South East Wales Cancer Network, Department of Oncology, Velindre Hospital, Cardiff, UK
5. South East Wales Cancer Network, Department of Surgery, Royal Glamorgan Hospital, Llantrisant, UK