1. Department of Surgery, North Tyneside General Hospital, North Shields, USA
2. Department of Surgery, Wansbeck General Hospital, Ashington, USA
3. Northern Region Colorectal Cancer Audit Group, Hexham General Hospital, Hexham, UK
4. Department of Surgery, Impact Planning and Improvement, Bill and Melinda Gates Foundation, Seattle, Washington, USA
5. University Hospital of North Tees, Stockton on Tees, UK