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Article History

Received: 21 August 2019

Accepted: 24 December 2019

First Online: 10 February 2020

Ethics approval and consent to participate

: This study adhered to ethical principles under the Declaration of Helsinki. Institutional access and permission to conduct the study at the school hosting the Dairiboard Zimbabwe Schools Rugby Festival was obtained from Ministry of Primary and Secondary Education (ref C/426/3), Harare Province Education Director Office, and from the respective school headmaster. Ethical approval was sought and granted by the Human Research Ethics Committee (HREC) of the University of Cape Town (ref: 016/2016) and, locally from Medical Research Council of Zimbabwe (ref: MRCZ/A/2070). Participants provided written informed assent prior to participation following a verbal explanation and reading an information letter explaining the rationale and all procedural issues regarding the study. Parents were informed and provided written informed consent on behalf of all participants unable to legally consent for themselves.

: Not applicable as the manuscript does not contain any data from any individual person.

: The authors declare that they have no competing interests.