Muluneh, Abebaw Abeje
Nigussie, Tewodros seyuom
Gebreslasie, Kahsay Zenebe
Anteneh, Kiber Temesgen
Kassa, Zemenu Yohannes
Article History
Received: 5 April 2017
Accepted: 17 April 2018
First Online: 24 April 2018
Ethics approval and consent to participate
: Ethical clearance letter was first obtained from Institutional Review Board (IRB) of the University of Gondar and presented to Debremarkos town education bureau to obtain an official permission. The investigator then communicated to each school and grant permission. Finally, each participant gave their informed written consent or parents and/or guardians provided consent on behalf of participates below 18 years old. Confidentiality was assured by making the questionnaire anonymous.
: The authors declare that they have no competing interests.
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