1. Institute for Global Health, University College London, London, UK
2. NIHR Health Protection Research Unit in Blood Borne and Sexually Transmitted Infections, University College London, London, UK
3. MRC/CSO Social and Public Health Sciences Unit, Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
4. The Policy Ethics and Life Sciences (PEALS) Research Centre, School of Geography, Politics, and Sociology, Newcastle University, Newcastle, UK
5. Ian Charleson Day Centre, Royal Free London NHS Foundation Trust, London, UK
6. Positively UK, London, UK
7. City of Coventry Health Centre (Integrated Sexual Health Services), Coventry and Warwickshire Partnership NHS Trust, Coventry, UK
8. Harrison Wing, Guy’s & St Thomas’ NHS Foundation Trust, London, UK
9. ViiV Healthcare, London, UK
10. Outpatients East, Barking, Havering and Redbridge NHS Trust, Barking, UK
11. Lawson Unit, Brighton & Sussex University Hospitals NHS Trust, Brighton, UK
12. Kobler Outpatient Clinic, Chelsea and Westminster Hospital NHS Foundation Trust, London, UK
13. The Wharfside Clinic, Imperial College Healthcare NHS Trust, London, UK
14. Caldecot Centre, King's College Hospital NHS Foundation Trust, London, UK
15. Jonathan Mann Clinic, Homerton University Hospital Foundation Trust, London, UK
16. Trafalgar Clinic, Lewisham and Greenwich NHS Trust, London, UK
17. Queen Elizabeth Hospital Birmingham HIV Clinic, University Hospital Birmingham NHS Foundation Trust, Birmingham, UK
18. Grahame Hayton Unit, Barts NHS Trust, London, UK
19. Wolverhampton Sexual Health Service, The Royal Wolverhampton NHS Trust, Wolverhampton, UK
20. Department of Infectious Diseases, North Manchester General Hospital, Penine Acute Hospitals NHS Trust, Manchester, UK