Received: 3 August 2020
Accepted: 31 October 2020
First Online: 14 November 2020
Ethics approval and consent to participate
: This study was approved by Gulu University Research Ethics Committee No. (GUREC-048). Parents/guardians were duly explained in a local language, the purpose and benefit of the study to their community and signed consent forms on behalf of their children.
: Not Applicable.
: No competing interests in this study.