1. The National Institute for Health and Care Research Applied Research Collaboration West (NIHR ARC West) at University Hospitals Bristol and Weston NHS Foundation Trust , Bristol, UK
2. The National Institute for Health and Care Research Health Protection Research Unit (HPRU) in Behavioural Science and Evaluation, University of Bristol , Bristol, UK
3. Population Health Sciences , Bristol Medical School,
4. University of Bristol , Bristol Medical School,
5. West of England Academic Health Science Network (West of England AHSN) , Bristol, UK
6. North Bristol NHS Trust , Bristol, UK
7. Public contributor