About the Authors
Prevention, Care and Treatment Department, Abuja, Nigeria
Monitoring and Evaluation Department, Abuja, Nigeria
HIV/AIDS/TB Unit USAID Nigeria, Abuja, Nigeria
Department of Family Medicine, Medical University of Southern Africa, Medusa, South Africa
Southern Africa Region, Pretoria, South Africa
All authors declare that they have no financial or non financial competing interests that may be related to this study. One of the authors worked briefly for a research consultancy firm (Diadem Consult Ltd). However this does not alter the authors' adherence to all of PLOS ONE policies on sharing data and materials. The authors attest that they have no affiliations that would have influenced outcomes of this paper and that there were no infringement on copyrights or any other conflicts with regards this manuscript.
Conceived and designed the experiments: SO KT OO HK EO EAO OC. Performed the experiments: SO KT HK EO EAO OK TB OC. Analyzed the data: SO OA TB. Contributed reagents/materials/analysis tools: SO KT HK OO OA EAO OK TB EO OC. Wrote the paper: SO KT HK OO EAO OA OK TB OC.