1. University Medical Centre, Utrecht, The Netherlands
2. University of the Witwatersrand, Johannesburg, South Africa
3. Lancet Laboratories, Johannesburg, South Africa
4. Janssen Diagnostics BVBA, Beerse, Belgium
5. National Health Laboratory Services, Johannesburg, South Africa
6. Joint Clinical Research Centre, Kampala, Uganda
7. Department of Global Health, Amsterdam Institute for Global Health and Development (AIGHD), Academic Medical Center (AMC), Amsterdam, The Netherlands
8. PharmAccess International, Amsterdam, The Netherlands