University of Cape Town (UCT) - Division of Clinical Pharmacology, University of Bordeaux, University of Bordeaux - National Institute for Health and Medical Research (INSERM) UMR 1219, Mulago National Referral Hospital, Arthur Davidson Children’s Hospital, Makerere University, affiliation not provided to SSRN, University of Zambia (UNZA), Makerere University - Johns Hopkins University Research Collaboration, University of Zambia (UNZA), University of Melbourne, MU-JHU Care Ltd - MUJHU Research Collaboration, Institut National de la Santé et de la Recherche Médicale (INSERM), University of Bordeaux and Independent