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Article History

Received: 3 August 2017

Accepted: 5 February 2018

First Online: 17 February 2018

Ethics approval and consent to participate

: We obtained ethical clearance from the Ethical review committee of College of Health Sciences of Debre Markos University. Verbal informed consent, which was prepared in written form and dictated to the respondents during data collection, was obtained from the study participants after explaining the purpose of the study and the benefits. We preferred verbal consent as the majority of the respondents were unable to read and write. Ethical review committee has approved this consent. Respondents were interviewed voluntarily, anonymously and confidentiality also was assured.

: Not applicable.

: The authors declare that they have no competing interests.

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