Text and Data Mining valid from 2018-09-04
Received: 7 June 2018
Accepted: 27 August 2018
First Online: 4 September 2018
Ethics approval and consent to participate
: Ethical clearance was obtained from the Ethical Review Board of the University of Gondar. A letter of permission was obtained from North Gondar zonal health department. After the objective of the study was explained, verbal consent was obtained from each participant. Moreover, privacy and confidentiality of information was strictly guaranteed by all data collectors and investigators. The information retrieved was used only for the study.
: Not applicable.
: The authors declare that they have no competing interests.
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