1. Health Protection and Medical Directorate, Public Health England, London SE1 8UG, UK
2. Centre for Cancer Outcomes, University College London Hospitals Cancer Collaborative, London NW1 2BU, UK
3. University of Leicester, Glenfield Hospital, Leicester LE3 9QP, UK
4. National Cancer Registration and Analysis Service, Public Health England, London, UK
5. Addenbrooke’s Hospital, Cambridge CB2 0QQ, UK
6. Public Health England, London SE1 8UG, UK