1. Department of Medicine, Uganda Martyrs Hospital Lubaga , Kampala , Uganda
2. Non-communicable Diseases Program, Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit , Entebbe , Uganda
3. Infectious Diseases Institute, College of Health Sciences, Makerere University , Kampala , Uganda
4. Department of Medicine, College of Health Sciences, Makerere University , Kampala , Uganda
5. Education and Research Centre, Wythenshawe Hospital , Manchester , UK
6. School of Public Health, College of Health Sciences, Makerere University , Kampala , Uganda
7. Department of Medical Microbiology and Immunology, Faculty of Medicine, Gulu University , Gulu , Uganda