1. Department of Colorectal Surgery Yeovil District Hospital Foundation Trust Yeovil UK
2. Division of Surgery and Interventional Science University College London London UK
3. Faculty of Science University of Bath Bath UK
4. Department of Colorectal Surgery Churchill Hospital University Hospitals of Oxford Oxford UK
5. Department of Surgery and Cancer Imperial College London London UK
6. South West Surgical Training Network c.i.c. Yeovil UK
7. Department of Surgery Amsterdam UMC University of Amsterdam Amsterdam The Netherlands