1. Joint Clinical Research Centre , Kampala , Uganda
2. Faculty of Medicine, Universidad de Chile , Santiago , Chile
3. Institute of HIV Research and Innovation in Bangkok , Bangkok , Thailand
4. Instituto Nacional de Infectologia Evandro Chagas-Fiocruz , Rio de Janeiro , Brazil
5. Ezintsha, Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand , Johannesburg , South Africa