1. Epidemiology of Cancer Healthcare and Outcomes (ECHO) Research Group, Department of Behavioural Science and Health, University College London, 1-19 Torrington Place, London WC1E 6BT, UK
2. University of Exeter Medical School, St Luke’s Campus, Exeter EX1 2HZ, UK
3. National Disease Registration Service, NHS England, Leeds LS1 4AP, UK
4. Cancer Research UK, London E20 1JQ, UK
5. Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne NE1 4LP, UK