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Article History

Received: 26 March 2018

Accepted: 27 February 2019

First Online: 18 March 2019

Ethics approval and consent to participate

: The protocol, self-administered questionnaires, informed consent forms and study related materials were reviewed and approved by the University of KwaZulu-Natal Biomedical Research Ethics Committee (reference number BF105/010 and BE 523/14). All participants provided written informed consent prior to being enrolled. Students ≥18 years provided first-person consent following a literacy and comprehension assessment, whilst students < 18 years, provided assent, while written consent was obtained from the parent/guardian. In the event that a parent/guardian was not available, proxy parental written consent was obtained from a member of the School Research Support Group (SRSG). This process was approved by the University of KwaZulu-Natal Biomedical Ethics Committee (BF105/010).

: not applicable.

: The authors declare that they have no competing interests.

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