1. Department of Medicine, St. Raphael of St. Francis hospital Nsambya, Kampala, Uganda
2. Diabetes and Endocrine Clinic, St. Raphael of St. Francis hospital Nsambya, Kampala, Uganda
3. Department of Medicine, Makerere University College of Health Sciences, Kampala, Uganda
4. Infectious diseases unit, Mulago National Referral and Teaching Hospital, Kampala, Uganda