1. School of Health , Leeds Beckett University, Leeds LS1 3HE, UK
2. Office for Health Improvement and Disparities , Department of Health and Social Care, London SW1H 0EU, UK
3. UK Health Security Agency Knowledge and Library Services , UK Health Security Agency, London SW1H 0EU, UK
4. Local Knowledge and Intelligence Service (LKIS) East , Office for Health Improvement and Disparities, Department of Health and Social Care, Cambridge CB21 5XA, UK
5. Office for Health Improvement and Disparities , North East and Yorkshire, Department of Health and Social Care, Newcastle NE15 8NY, UK
6. Improvement Directorate , NHS England and NHS Improvement, Leeds LS2 7UE, UK