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Authors
Yosef, Tewodros http://orcid.org/0000-0002-3173-6753
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Article History
Received: 27 November 2019
Accepted: 5 October 2020
First Online: 17 October 2020
Ethics approval and consent to participate
: Ethical clearance and permission letters were obtained from the Addis Ababa University-Institutional Review Board (AAU-IRB). Permission was obtained from the Mojo Dry Port Authority. All study participants were informed about the purpose of the study, their right to deny participation, anonymity, and confidentiality of the information. Written informed consent was also obtained before participation in the study.
: Not applicable.
: The author declares no competing interests.
