1. Infectious Diseases Institute and Infectious Diseases Network for Treatment and Research in Africa (INTERACT), Makerere University College of Health Sciences, P.O. Box 7061, Kampala, Uganda
2. Department of Pharmacology and Therapeutics, Trinity College Dublin 2, Ireland
3. Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool L69 3BX, UK
4. International Health, Epidemiology en Social Medicine, Universiteit Antwerpen, Universiteitsplein 1, 2610 Antwerp, Belgium