Zeleke, Ayalew Jejaw
Bayih, Abebe Genetu
Afework, Solomon
Gilleard, John S.
Article History
Received: 27 July 2020
Accepted: 2 November 2020
First Online: 12 November 2020
Ethics approval and consent to participate
: Ethical approval was obtained for this study from the research and ethical review committee of the University of Gondar (ethics certification O/V/P/RCS/05/Ho61/2017) and the Conjoint Health Research Ethics Board (CHREB) of the University of Calgary (ethics certification REB17-0719). The objective of the study was fully explained to the local (district) administration and the school principals. Then, the study was started only after a written permission was obtained from the aforementioned institutions. Moreover, an assent was obtained for children older than 12 years. Data collected from every study participant was coded and kept confidential.
: Not applicable in this section
: The authors declare that they have no competing interests.