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Article History
Received: 25 January 2019
Accepted: 20 May 2020
First Online: 17 July 2020
Ethics approval and consent to participate
: This study was approved by the Ethiopian Science and Technology Commission, Ethics Review Board. We have also obtained a support letter from the Federal Ministry of Health and Regional State Health Bureaus to conduct the study. The study participants were recruited to the study after obtaining informed verbal consent.
: Not applicable.
: Authors declare no conflict of interest.
