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Article History

Received: 22 September 2017

Accepted: 31 May 2018

First Online: 15 June 2018

Ethics approval and consent to participate

: The protocol was reviewed by the Institutional Review Board and received written ethical approval from the Uganda National Council of Science and Technology (reference number MU502). Written informed consent was also obtained from all participants after explaining the research purpose, methodology, benefits and confidentiality. They were informed of the freedom to exit the study if they felt wish to so do.

: There are no competing interests whatsoever among the authors and the funding agent (World Health Organization). The World Health Organization (WHO) will not gain or lose financially from the publication of the manuscript, either now or in the future. We do not hold stocks or shares in WHO that may in any way gain or lose financially from the publication of the manuscript, either now or in the future. WHO is not holding, or is not applying for, patents relating to the content of the manuscript.There are no non-financial competing interests (political, personal, religious, ideological, academic, and intellectual competing interests or commercial or any other) to declare in relation to this manuscript.

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