1. National Cancer Registration and Analysis Service, Public Health England, Wellington House, London, United Kingdom
2. Bury St Edmunds GP Specialty Training Programme, West Suffolk Hospital, Bury St Edmunds, United Kingdom
3. Transforming Cancer Services Team for London, Skipton House, London, United Kingdom
4. Department of Surgery, West Suffolk National Health Service Foundation, Bury St Edmunds, Suffolk, United Kingdom
5. UCL Division of Psychiatry, University College London, London, United Kingdom
6. Camden and Islington National Health Service Foundation Trust, St Pancras Hospital, London, United Kingdom
7. St George’s University Hospitals National Health Service Foundation Trust, London, United Kingdom