1. Institute for Global Health, University College London, London, UK
2. National Institute for Health Research (NIHR) Health Protection Research Unit in Blood Borne and Sexually Transmitted Infections, University College London, London, UK
3. Centre for Ageing Better, London, UK
4. Mortimer Market Centre, Central North West London NHS Foundation Trust, London, UK
5. Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine, London, UK
6. Barts Health NHS Trust, London, UK
7. Blizard Institute, Queen Mary University of London, London, UK
8. Royal Free London NHS Foundation Trust, London, UK
9. Lawson Unit, Brighton & Sussex University Hospitals NHS Trust, Brighton, UK
10. Chelsea and Westminster Hospital NHS Foundation Trust, London, UK
11. King’s College Hospital NHS Foundation Trust, London, UK
12. University Hospital Birmingham NHS Foundation Trust, Birmingham, UK
13. Manchester University NHS Foundation Trust, Manchester, UK