1. MRC CTU at UCL, London, UK
2. MRC/UVRI Uganda Research Unit on AIDS, Entebbe, Uganda
3. Joint Clinical Research Centre, Kampala, Uganda
4. Janssen Diagnostics, a division of Janssen Pharmaceuticals NV, Beerse, Belgium
5. School of Population Health, University of Queensland, Brisbane, Australia
6. Africa Health Research Institute, KwaZulu Natal, South Africa
7. Division of Infection and Immunity, University College London, London, UK