Universidad Europea de Madrid - Paediatrics Research Group, Instituto de Investigación 12 de Octubre (imas12) - Pediatric Infectious Diseases Unit, Stellenbosch University - Children’s Infectious Diseases Clinical Research Unit (KID-CRU), University of the Witwatersrand, University College London - Infection, Immunity and Inflammation Research & Teaching Department, Fundação Ariel Glaser contra o SIDA Pediatrico, Centro de Investigação em Saúde da Manhiça (CISM), Centre Hospitalier Universitaire Gabriel Touré, Stellenbosch University - Family Centre for Research with Ubuntu, Fundação Ariel Glaser contra o SIDA Pediatrico, University of the Witwatersrand - Perinatal HIV Research Unit, University of Barcelona - Institut de Salut Global de Barcelona (ISGlobal), Africa Health Research Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Barcelona - Institut de Salut Global de Barcelona (ISGlobal), University of Barcelona - Institut de Salut Global de Barcelona (ISGlobal), Stellenbosch University, Chris Hani Baragwanath Academic Hospital, University of the Witwatersrand, Africa Health Research Institute, Africa Health Research Institute, University of North Carolina (UNC) at Chapel Hill - National Institute of Health, University of Padua - Department of Women’s and Children’s Health, Bambino Gesù Children's Hospital - Academic Department of Pediatrics (DPUO), Columbia University - Irving Medical Center, Bambino Gesù Children's Hospital - Academic Department of Pediatrics (DPUO), University College London Hospitals NHS Foundation Trust - Advanced Pathogen Diagnostics Unit, Ragon Institute of MGH, MIT and Harvard, University College London Hospitals NHS Foundation Trust - Advanced Pathogen Diagnostics Unit, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Bambino Gesù Children's Hospital - Academic Department of Pediatrics (DPUO), affiliation not provided to SSRN, affiliation not provided to SSRN, Stellenbosch University, Stellenbosch University, Africa Health Research Institute, Imperial College London - Department of Paedaitric Infectious Diseases, Stellenbosch University, Baylor College of Medicine, affiliation not provided to SSRN, University of Miami - Miami Center for AIDS Research, affiliation not provided to SSRN, University Hospital 12 de Octubre and Independent

Department of Infectious Diseases, St. Jude Children’s Research Hospital, Stellenbosch University, University of South Florida - Morsani College of Medicine, Department of Pediatrics at the Wayne State University School of Medicine, Be Part Yoluntu Centre, Chris Hani Baragwanath Academic Hospital, Joint Clinical Research Centre, Faculty of Medicine, Khon Kaen University, Mahidol University - Siriraj Institute of Clinical Research (SICRES), Department of Portfolio Project Management, Gilead Sciences, Gilead Sciences, Inc., Gilead Sciences, Inc., Department of Clinical Pharmacology, Gilead Sciences, Department of Virology Clinical Research, Gilead Sciences, Federal Reserve Bank of Cleveland, Gilead Sciences, Inc. and Department of Virology Clinical Research, Gilead Science

University College London - MRC Clinical Trials Unit, University College London - MRC Clinical Trials Unit, Baylor University - Children's Foundation Uganda, University of Zimbabwe - Clinical Trials Research Centre, Joint Clinical Research Centre, Chris Hani Baragwanath Academic Hospital, Makerere University - Johns Hopkins University Research Collaboration, University of the Witwatersrand - Perinatal HIV Research Unit, Khon Kaen University - Khon Kaen Hospital, University of KwaZulu-Natal - Department of Paediatrics and Children Health, Chulalongkorn University - Center of Excellence in Pediatric Infectious Diseases and Vaccines, University of Hamburg - University Medical Center Hamburg-Eppendorf, Institut de Recerca Sant Joan de Deu - Infectious Diseases Department, Khon Kaen University - Khon Kaen Hospital, Baylor University - Children's Foundation Uganda, Mahasarakam Hospital, NSERM/ANRS SC10-US19, Essais Thérapeutiques et Maladies Infectieuses, Joint Clinical Research Centre, Mbarara, University of Zimbabwe - Clinical Trials Research Centre, University College London - Infection, Immunity and Inflammation Research & Teaching Department, Department of Paediatrics, University of Zimbabwe, Joint Clinical Research Centre, Stellenbosch University - Children’s Infectious Diseases Clinical Research Unit (KID-CRU), London School of Hygiene & Tropical Medicine - Department of Clinical Research, University of Padua - Department of Women’s and Children’s Health, Instituto de Investigación 12 de Octubre (imas12) - Pediatric Infectious Diseases Unit, University of the Witwatersrand - Perinatal HIV Research Unit, University College London - MRC Clinical Trials Unit, University College London - MRC Clinical Trials Unit and Independent

University College London - MRC Clinical Trials Unit, University College London - MRC Clinical Trials Unit, University of the Witwatersrand - Perinatal HIV Research Unit, Department of Paediatrics, University of Zimbabwe, Baylor University - Children's Foundation Uganda, Joint Clinical Research Centre, Mbarara, Joint Clinical Research Centre, Mahasarakam Hospital, Makerere University - Johns Hopkins University Research Collaboration, University of the Witwatersrand - Department of Internal Medicine, University of KwaZulu-Natal, Stellenbosch University, Chulalongkorn University - Center of Excellence in Pediatric Infectious Diseases and Vaccines, University of Zimbabwe, Baylor University - Children's Foundation Uganda, Joint Clinical Research Centre, Chris Hani Baragwanath Academic Hospital, Goethe University, University Hospitals Birmingham NHS Foundation Trust, Research on AIDS and Viral Hepatitis (ANRS), University College London - Infection, Immunity and Inflammation Research & Teaching Department, Chiang Mai University, Makerere University - Johns Hopkins University Research Collaboration, Joint Clinical Research Centre, London School of Hygiene & Tropical Medicine - Department of Clinical Research, University of Padua - Department of Women’s and Children’s Health, University of Padua, University College London - MRC Clinical Trials Unit and University College London - MRC Clinical Trials Unit