1. Department of Community Prevention and Care Services, National Agency for the Control of AIDS, Abuja, Nigeria
2. Center for Translation and Implementation Research, University of Nigeria Nsukka, Enugu, Nigeria
3. Department of Public Health, National AIDS and STI Control Programme, Federal Ministry of Health, Abuja, Nigeria
4. Department of Community Health and Epidemiology, University of Saskatchewan, Saskatoon, Canada
5. Department of Community Medicine, College of Medicine, University of Ibadan, Ibadan, Nigeria