Text and Data Mining valid from 2018-09-27
Received: 7 November 2017
Accepted: 25 July 2018
First Online: 27 September 2018
Ethics approval and consent to participate
: The Departmental Research and Ethics Committee at the University of South Africa granted ethical clearance for the research project. The ethical considerations of obtaining informed consent, confidentiality and privacy in terms of managing the information and preventing possible harm to participants were upheld during the research process. This manuscript does not report on or involve the use of any human or animal tissue.
: Not applicable.
: The authors declare that they have no competing interests.
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