1. Makerere University College of Health Sciences, School of Health Sciences, Department of Nursing, P.O. Box 7072, Kampala, Uganda
2. Makerere University School of Public Health, Department of Health Policy Planning and Management, P.O. Box 7072, Kampala, Uganda
3. Department of Internal Medicine, School of Medicine, Makerere College of Health Sciences, P.O. Box 7072, Kampala, Uganda