1. Barts Sexual Health Centre, Barts and The London NHS Trust, London EC1A 7BE
2. Department of Sexual Health, Homerton University Hospital NHS Foundation Trust, London E9 6SR
3. Greenway Centre, Newham University Hospital NHS Trust, London E13 8SL
4. Joint Research Office, Bart's and The London NHS Trust, Queen Mary's School of Medicine and Dentistry, London E1 2AN
5. Centre For Infectious Disease, Institute For Cell And Molecular Science, Barts and the London School of Medicine and Dentistry, London E1 2AT, UK