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Article History

Received: 13 August 2018

Accepted: 4 October 2018

First Online: 15 November 2018

Ethics approval and consent to participate

: Ethical clearance was obtained from Haramaya University, Institutional Health Research Ethics Review Committee. Formal letter was submitted to all concerned bodies in the study area to get their co-operation in facilitating the study. Verbal informed consent was obtained from the study participants after the significance of the study made clear and permission for face-to-face interviews was asked politely. Every effort was made to inform participants in a manner that would encourage free choice of participation without any physical or psychological influence. Interviews were done with the respect of the culture, norms and religions of the study population. All personal data was secured and concealed during data entering and analysis process.

: Not applicable since there is no individual details in our result.

: The authors declare that they have no competing interests.

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