1. Julius Global Health, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands
2. Department of Internal Medicine & Infectious Diseases, University Medical Center Utrecht, The Netherlands
3. Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
4. Ndlovu Care Group, Groblersdal, South Africa
5. Clinical Virology, Medical Microbiology, University Medical Center Utrecht, The Netherlands
6. Center for Infectious Disease Control, RIVM, Bilthoven, The Netherlands
7. Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
8. Laboratory of Translational Immunology, University Medical Center Utrecht, The Netherlands
9. Julius Clinical Research, Academic Contract Research Organization, Zeist, The Netherlands