1. Imperial College London; London; UK
2. Homerton University Hospital; London; UK
3. National AIDS Trust; London; UK
4. Health Protection Agency; London; UK
5. Chelsea and Westminster Hospital; London; UK
6. Royal Sussex County Hospital; Brighton; UK
7. Medical Foundation for HIV & Sexual Health (MEDFASH); London; UK
8. Department of Health; London; UK
9. Positively UK; London; UK
10. University Hospital Birmingham Foundation NHS Trust; Birmingham; UK
11. Terrence Higgins Trust; London; UK
12. Royal Hallamshire Hospital; Sheffield; UK
13. NAM Publications/Aidsmap.com; London; UK