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Authors
Abraha, Teklehaymanot Huluf http://orcid.org/0000-0003-0868-1659
Belay, Hailay Siyum
Welay, Getachew Mebrahtu
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Article History
Received: 17 March 2018
Accepted: 28 October 2018
First Online: 9 November 2018
Ethics approval and consent to participate
: This study protocol was granted by the Institutional Review Board (IRB) of the Institute of Public Health, University of Gondar. Informed written consent was obtained from each study participants to confirm willingness for participation after explaining the objective of the study. Participants were assured of privacy and confidentiality and informed consent was secured from all participants after the study had been explained.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
