Abizari, Abdul-Razak
Ali, Zakari
Article History
Received: 7 August 2018
Accepted: 22 January 2019
First Online: 6 February 2019
Ethics approval and consent to participate
: Permission to carry out this study was sought from the Metropolitan Education Directorate of Northern Region and the headmasters of the schools. The pupils signed an informed consent before participating in the study. Participation was voluntary. The study protocol was also approved by the Scientific Review Committee of the School of Allied Health Sciences, University for Development Studies, Ghana.
: Not applicable.
: The authors declare that they have no competing interests.
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