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Authors
Wooding, Madelien
Rohwer, Egmont R.
Naudé, Yvette
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Article History
Received: 13 April 2020
Revised: 26 June 2020
Accepted: 1 July 2020
First Online: 18 July 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the ethics committee of the Faculty of Natural and Agricultural Sciences at the University of Pretoria, South Africa (Reference number EC171109-159).
: Informed consent was obtained prior to collection of the samples.
: Informed consent was obtained prior to collection of the samples.
