Received: 14 October 2017
Accepted: 9 January 2018
First Online: 23 January 2018
Ethics approval and consent to participate
: Ethical clearance was obtained from the Institutional Review Board of the University of Gondar. The supportive letter was obtained from Bahir Dar city administration educational office. Permission was obtained from each school director. During data collection, written informed consent was obtained from each child family after briefly explaining the purpose, risk, and benefit of the study. All the procedure and purpose were told to the child, and verbal assent was also obtained from each child before any data collection and Anthropometric measurements. Confidentiality of data was maintained by avoiding personal identifiers.
: Not applicable.
: The authors declare that they have no competing interests.
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