1. National Institute for Health and Care Research Applied Research Collaboration West (NIHR ARC West) Bristol UK
2. National Institute for Health and Care Research Health Protection Research Unit (HPRU) in Behavioural Science and Evaluation, Population Health Sciences, Bristol Medical School University of Bristol Bristol UK
3. Population Health Sciences Bristol Medical School University of Bristol Bristol UK
4. Centre for Academic Primary Care (CAPC) Bristol Medical School University of Bristol Bristol UK
5. Institute for Global Health UCL Royal Free Campus London UK
6. NIHR HPRU in Blood‐Borne and Sexually Transmitted Infections at UCL London UK
7. Communities and Public Health Bristol City Council College Green Bristol Bristol UK
8. Unity Sexual Health University Hospitals Bristol and Weston NHS Foundation Trust Bristol UK
9. The Riverside Clinic Royal United Hospitals Bath NHS Foundation Trust Bristol UK