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Authors
Swanepoel, Albe
Bester, Janette
Kruger, Yolanda
Davoren, Elmarie
du Preez, Ilse https://orcid.org/0000-0001-5456-3931
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Funding
Funding for this research was provided by:
National Research Foundation
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Article History
Received: 18 January 2021
Accepted: 27 July 2021
First Online: 19 August 2021
Declarations
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: The authors declare that they have no conflict of interest.
: All procedures performed in this study, involving human participants, were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The ethical committee of the University of Pretoria approved this study (No: 307/2016).
: All collected specimens were anonymised at the time of collection, and participants gave written informed consent.
