1. Department of Community Health, Anaka General Hospital, Nwoya district, Gulu, Uganda
2. Department of Public Health, School of Medicine, Uganda Christian University, Mukono, Uganda
3. Department of Medicine, Faculty of Medicine, Gulu University, Gulu, Uganda
4. Department of Community Health and Behavioural Sciences, School of Public Health, College of Health Sciences, Makerere University, Kampala, Uganda
5. Department of Pathology, School of Biomedical Sciences, College of Health Sciences, Makerere University, Kampala, Uganda