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Authors
Getahun, Biruk https://orcid.org/0000-0001-9500-4888
Haile, Diresibachew W.
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Article History
Received: 12 March 2019
Accepted: 24 June 2019
First Online: 8 July 2019
Ethics approval and consent to participate
: This study was carried out after approval was obtained from a review committee of Addis Ababa University. Objectives and benefit of the study were explained to the study participants by the investigator before the actual data collection. Written informed consent was obtained from each study participants and those who gave consents participated in the study. The personal data collected during this study was used only for the stated objectives.
: Not applicable.
: The authors declare that they have no competing interests.
