1. Bristol Centre for Surgical Research, Population Health Sciences, Bristol Medical School , Bristol , UK
2. Population Health sciences, Bristol medical School , Bristol , UK
3. Independent Cancer Patients Voice (ICPV) , Bristol , UK
4. Linda McCartney Centre, Royal Liverpool and Broadgreen University Hospital , Liverpool , UK
5. Nottingham Breast Institute, Nottingham University Hospitals NHS Trust , Nottingham , UK
6. Department of Plastic Surgery, University Hospitals Coventry and Warwickshire NHS Trust , Coventry , UK
7. Applied Statistics Group, University of the West of England , Bristol , UK
8. University Hospitals Bristol and Weston NHS Foundation Trust , Bristol , UK
9. Bristol Surgical and Perioperative Care Complex Intervention Collaboration, Translational Health Sciences, Bristol Medical School, University of Bristol, Learning and Research Building , Southmead Hospital, Bristol , UK
10. Bristol Breast Care Centre, Southmead Hospital , Bristol , UK