Received: 15 December 2016
Accepted: 31 January 2018
First Online: 9 February 2018
Ethics approval and consent to participate
: Ethical clearance was obtained by the Ethical review committee of college of Health Sciences, Debre Markos University. Permission to conduct the study was also obtained from East Gojjam zone health department and Enebsie Sarmidr Woreda health office. Informed consent was obtained from each study participant. Study participants were informed that all the data obtained from them were kept confidential by using codes instead of any personal identifiers and was meant only for the purpose of the study.
: Not applicable.
: The authors declare that they have no competing interests.
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