Chinkhumba, Jobiba
Kadzinje, Victor
Jenda, Gomezgani
Kayange, Michael
Mathanga, Don P.
Article History
Received: 5 July 2022
Accepted: 18 October 2022
First Online: 27 October 2022
Declarations
:
: The College of Medicine Review and Ethics Committee (COMREC) reviewed and granted permission for the conduct of the study (P.11/18/2543). Verbal consent was sought from school headmasters and all primary school teachers before the observations started<b>.</b>
: Not applicable.
: All authors declare that they have no competing interest.