1. Department of Medicine, Division of Clinical Pharmacology, University of Cape Town , Cape Town, South Africa
2. Infectious Disease Institute, College of Health Sciences, Makerere University , Kampala, Uganda
3. Department of Pharmacy, Radboud university medical center , Nijmegen, the Netherlands
4. Department of Medicine, Division of Infectious Diseases, Vanderbilt University Medical Centre , Nashville, Tennessee, USA
5. Division of Infection and Global Health, School of Medicine, University of St. Andrews , Scotland, United Kingdom