Funding for this research was provided by:
Ethiopian Public Health Association
Received: 28 June 2017
Accepted: 30 January 2018
First Online: 12 February 2018
Ethics approval and consent to participate
: Ethical clearance was obtained from Ethical Review Committee of Southern Nation's Nationalities' and People Region' of Ethiopia (SNNPR) Health Bureau.
: Not applicable, no individual detail is presented.
: All authors have no competing interest and declare that this study is original article.
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