Ayana, Girmay
Moges, Tibebu
Samuel, Aregash
Asefa, Tsehai
Eshetu, Solomon
Kebede, Aweke
Article History
Received: 9 January 2018
Accepted: 21 June 2018
First Online: 9 August 2018
Ethics approval and consent to participate
: Ethical approval was provided by Ethics Review Committee of Ethiopian Public Health Institute. All participants involved in the study were asked to their consent and they provided verbal consent.
: Not applicable
: The authors declare that they have no competing interests.
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