1. Bristol Centre for Surgical Research, Bristol Medical School, University of Bristol , Bristol , UK
2. Applied Statistics Group, University of the West of England , Bristol , UK
3. Linda McCartney Centre, Royal Liverpool and Broadgreen University Hospital , Liverpool , UK
4. Department of Plastic Surgery, Royal Victoria Infirmary, Newcastle upon Tyne NHS Foundation Trust , Newcastle upon Tyne , UK
5. Department of Plastic Surgery, Manchester University NHS Foundation Trust , Manchester , UK
6. School of Public Health, University College Cork , Cork , Ireland
7. Independent Cancer Patients Voice (ICPV) , London , UK
8. Western Sussex Hospitals NHS Foundation Trust , Worthing , UK
9. National Institute for Health and Care Excellence , London , UK
10. Bristol Breast Care Centre, Southmead Hospital , Bristol , UK