Authors’ contributions
Patricia
Patricia Mandima and Kristin Baltrusaitis were equally involved in developing the study proposal and in writing, interpretation of study results and review of the manuscript. Jyoti Mathad, Carolyne Onyango-Makumbi, Mandisa Nyati, James Ngocho, Gift Chareka, Ponego Ponatshego, Gaerolwe Masheto were involved in data collection and in review of the manuscript. Kristin Baltrusaitis, Grace Montepiedra and Lisa Aaron did the statistical analysis, interpretation of results and manuscript writings. Katie McCarthy, Patrick Jean-Philippe, Amita Gupta reviewed the manuscript and assisted with interpretation of study results. Lynda Stranix-Chibanda provided overall supervision from study proposal to final review. All the authors have read and approved the manuscript.