1. Epidemiology of Cancer and Healthcare Outcomes Research Group, Department of Behavioural Sciences and Health, University College London, London, United Kingdom
2. Medical Research Council Integrative Epidemiology Unit, Bristol Medical School, University of Bristol, Bristol, United Kingdom
3. Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
4. University of Exeter Medical School, St Luke’s Campus, Exeter, United Kingdom
5. Centre for Nurse, Midwife, and Allied Health Professional-led Research, University College London Hospitals NHS Foundation Trust, London, United Kingdom
6. Department of Statistical Science, University College London, London, United Kingdom
7. Centre for Outcomes and Experience Research in Children’s Health, Illness and Disability, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
8. School of Health Sciences, University of Surrey, Guildford, United Kingdom
9. Cancer Division, University College London Hospitals NHS Foundation Trust, London, United Kingdom