1. Academic Directorate of General Surgery Sheffield Teaching Hospitals NHS FT Sheffield UK
2. Leeds Institute of Medical Research, University of Leeds Leeds UK
3. School of Health and Related Research University of Sheffield Sheffield UK
4. Green Templeton College University of Oxford Oxford UK
5. Patient Representative Sheffield UK
6. School of Health Sciences University of East Anglia Norwich UK
7. Manchester University NHS Foundation Trust Manchester UK
8. Department of Psychology Leeds Beckett University Leeds UK
9. Division of Clinical Medicine, School of Medicine & Population Health University of Sheffield Sheffield UK