Affiliation: | a Department of Medicine, Mbarara University Hospital, Plot 1 Hospital Road, P O Box 1410, Mbarara, Uganda b Centre for Infection, Department of Clinical Sciences, St. George’s University of London, Cranmer Terrace, London SW17 ORE, UK c Department of Microbiology, Mbarara University Hospital, Plot 1 Hospital Road, P O Box 1410, Mbarara, Uganda d Department of Epidemiology and Population, London School of Hygiene and Tropical Medicine, Keppel St, London WC1E 7HT, UK |