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Article History

Received: 30 March 2022

Accepted: 26 September 2022

First Online: 8 May 2023

Declarations

:

: Approval for this study was obtained from the Human Research Ethics Committee of the Faculty of Health Sciences, University of Cape Town (HREC REF 472/2015). Informed consent was obtained from participants prior to enrolment in the study and the study conduct complied with the Helsinki Declaration of 2013. A field worker read and went through the consent form with each participant in the participant’s preferred language. Those who chose to have a family member present during the consent process were allowed to do so. Participants were given the opportunity to ask questions on aspects discussed that required clarity. Written, signed informed consent was obtained from those participants who could write. Participants with no schooling gave informed consent in their preferred language to a field worker who was proficient in the language in the presence of a literate family member. To ensure that the potential participants fully comprehended what was communicated to them, they were asked to reiterate what they understood. An informed consent form was left with the participant to enable wider consultation as preferred before consenting to participate. The field worker arranged to return to the participant’s household on an agreed day. For those who agreed to participate, and were unable to give written consent, a thumb print using an ink pad was obtained to indicate consent which was witnessed in the presence of a family member. Ethics approval for the study and consent process was obtained from the Human Research Ethics Committee of the Faculty of Health Sciences, University of Cape Town (HREC REF 472/2015), South Africa.

: Not applicable.

: The authors declare no competing interests.