Text and Data Mining valid from 2019-03-18
Received: 17 August 2018
Accepted: 25 February 2019
First Online: 18 March 2019
Ethics approval and consent to participate
: Ethical review Committee (IRC) of Arbaminch University approved the proposal of this research. Letter of permission was obtained from West shoa Zone health department and from each hospital administrative. Informed verbal consent was obtained from the study subjects after the data collectors explained the study objectives, procedures and their right to refuse not to participate in the study. Furthermore, confidentiality of the study subjects was assured.
: Not applicable.
: The authors declared that they have no competing interests.
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