1. Department of Immunology and Molecular Biology, School of Biomedical Sciences, Makerere University College of Health Sciences, Kampala, Uganda.
2. Integrated Biorepository of H3Africa Uganda (IBRH3AU), Department of Immunology and Molecular Biology, School of Biomedical Sciences, Makerere University College of Health Sciences, Kampala, Uganda.
3. Department of Medicine, Makerere University Hospital, Kampala, Uganda.
4. Makerere Lung Institute, Makerere University College of Health Sciences, Kampala, Uganda.
5. Department of Pathology, Mulago National Referral Hospital, Kampala, Uganda.