University of Alabama at Birmingham, University of Alabama at Birmingham, University of Alabama at Birmingham, University of Alabama at Birmingham, University Hospitals Bristol - University Hospitals Bristol and Weston NHS Foundation Trust, Newcastle Upon Tyne Hospitals NHS Foundation Trust, University College London - Infection, Immunity and Inflammation Research & Teaching Department, University College London - Infection, Immunity and Inflammation Research & Teaching Department, Children's National Hospital - Children's Research Institute, University of Southampton - NIHR Southampton Clinical Research Facility and Biomedical Research Centre, University of Southampton, The University of Manchester - Manchester University NHS Foundation Trust, University of Rochester, Levine Children's Hospital, St George’s University Hospitals NHS Foundation Trust, Baylor College of Medicine, Heartlands Hospital, Ohio State University (OSU) - Nationwide Children's Hospital, Sheffield Children’s Hospital, University of Oxford - Department of Paediatrics, Alpert Medical School of Brown University, University of Washington, University of Alabama at Birmingham and University College London

affiliation not provided to SSRN, affiliation not provided to SSRN, Joint Clinical Research Centre, Moi University, affiliation not provided to SSRN, Enhancing Care Foundation, University College London - MRC Clinical Trials Unit, Joint Clinical Research Centre, University of Zimbabwe - Clinical Trials Research Centre, Moi University, University of KwaZulu-Natal, Fondazione Penta ETS, affiliation not provided to SSRN, London School of Hygiene & Tropical Medicine - Department of Global Health and Development, Baylor University - Children's Foundation Uganda, Joint Clinical Research Centre, Radboud University Nijmegen - Radboud University Medical Center, Radboud University Nijmegen - Radboud University Medical Center, University of York, University College London - Infection, Immunity and Inflammation Research & Teaching Department, University College London - MRC Clinical Trials Unit, Baylor University - Children's Foundation Uganda, affiliation not provided to SSRN, University College London - MRC Clinical Trials Unit, affiliation not provided to SSRN, University College London - MRC Clinical Trials Unit, Baylor University - Children's Foundation Uganda and University College London - MRC Clinical Trials Unit

Baylor University - Children's Foundation Uganda, University College London - MRC Clinical Trials Unit, University of Zimbabwe - Clinical Trials Research Centre, Joint Clinical Research Centre, Moi University, University of KwaZulu-Natal, University College London - MRC Clinical Trials Unit, Fondazione Penta ETS, Baylor University - Children's Foundation Uganda, University of Zimbabwe, Joint Clinical Research Centre, Moi University, Enhancing Care Foundation, London School of Hygiene & Tropical Medicine - Department of Global Health and Development, Joint Clinical Research Centre, Baylor University - Children's Foundation Uganda, University of York, Radboud University Nijmegen - Radboud University Medical Center, University of Padua - Department of Women’s and Children’s Health, Baylor University - Children's Foundation Uganda, University of Zimbabwe, Moi University, Enhancing Care Foundation, Fondazione Penta ETS, University College London - MRC Clinical Trials Unit, University College London - MRC Clinical Trials Unit, University College London - Infection, Immunity and Inflammation Research & Teaching Department, University College London - MRC Clinical Trials Unit, University College London - MRC Clinical Trials Unit and University College London - MRC Clinical Trials Unit

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