1. Centre for HIV and STIs, National Institute for Communicable Diseases, Johannesburg, South Africa
2. Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
3. Division of Global HIV and TB, US Centers for Disease Control and Prevention, Atlanta, USA
4. KwaZulu-Natal Research Innovation and Sequencing Platform (KRISP), College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
5. Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
6. Department of Virology, National Health Laboratory Services/University of KwaZulu-Natal, South Africa
7. US Centers for Disease Control and Prevention, Pretoria, South Africa