Text and Data Mining valid from 2018-04-02
Received: 24 November 2016
Accepted: 26 March 2018
First Online: 2 April 2018
Ethics approval and consent to participate
: This study was approved by the Oromia Health Bureau (Ref no. BEEFO/1–8/1239). A statement about the purpose of the study was read and explained to each study participant. Only those who gave verbal consent to participate in the study were included in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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