Funding for this research was provided by:
RUFORUM (RU 2014 NG 13)
Received: 30 August 2020
Accepted: 18 November 2020
First Online: 14 December 2020
Ethics approval and consent to participate
: The study was approved by the Gulu University Research Ethics committee, (<b>GUREC-048-15</b>). Participation in the study was voluntary and with full consent of respondents. For pupils selected to participate in the study, their parents were contacted and parental consent secured before their participation. In all cases, consent was written.
: Not applicable.
: The authors declare no competing interests.