1. HIV Unit, Department of Medicine, University of Abuja Teaching Hospital, Gwagwalada, Abuja, Nigeria
2. Department of Community Medicine, College of Medicine, Benue State University, Markurdi, Nigeria
3. Department of Epidemiology and Community Medicine, University of Ilorin, Ilorin, Nigeria
4. Department of Family Medicine, University of Ilorin Teaching Hospital, Ilorin, Nigeria
5. HIV Unit, World Health Organization Country Office, Abuja, Nigeria
6. 82 Division Hospital, Nigerian Army, Enugu, Nigeria