1. Infectious Diseases Institute, College of Health Sciences, Makerere University Kampala, Kampala, Uganda
2. Hospital for Tropical Diseases, University College London Hospitals NHS Foundation Trust, London, United Kingdom
3. Clinical Research Department, London School of Hygiene and Tropical Medicine, Keppel Street, London, United Kingdom
4. Division of Infectious Diseases and International Medicine, Department of Medicine, University of Minnesota, Minneapolis