2 US Military HIV Research Program , Walter Reed Army Institute of Research ; Henry M Jackson Foundation for the Advancement of Military Medicine , Bethesda , MD , USA.
3 Department of Internal Medicine , Ghent University Hospital , Belgium.
4 Department of Retrovirology , US Army Medical Component , Armed Forces Institute of Medical Research , Henry M Jackson Foundation , Bangkok , Thailand.
5 Lawson Unit , Brighton and Sussex University NHS Trust and Brighton and Sussex Medical School , UK.
6 St George's University Hospitals NHS Foundation Trust , London , UK.
7 Clinical Trials Unit , St Mary's Hospital , Imperial College London , UK.