Ayele, Asnakew Achaw http://orcid.org/0000-0001-7837-7228
Emiru, Yohannes Kelifa
Tiruneh, Sofonyas Abebaw
Ayele, Belete Achamyelew
Gebremariam, Alemayehu Digssie
Tegegn, Henok Getachew
Article History
Received: 19 July 2018
Accepted: 6 November 2018
First Online: 29 November 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the ethical review board of Debre Tabor University and informed oral consent was obtained from each participant.
: Note applicable.
: The authors declare that they have no competing interests.
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