1. Cambridge Centre for Health Services ResearchUniversity of CambridgeCambridge United Kingdom
2. National Cancer Intelligence Network (NCIN)Public Health EnglandLondon United Kingdom
3. Primary Care UnitUniversity of CambridgeCambridge United Kingdom
4. North Wales Centre for Primary Care Research, College of Health and Behavioural SciencesBangor UniversityWrexham United Kingdom
5. Wolfson Research Institute, School of Medicine and HealthUniversity of Durham, Queen's Campus, University BoulevardStockton‐on‐Tees United Kingdom