Funding for this research was provided by:
National Research Foundation of South Africa (82769)
Text and Data Mining valid from 2020-02-26
Received: 19 October 2019
Accepted: 5 February 2020
First Online: 26 February 2020
Ethics approval and consent to participate
: Participants signed an informed consent form prior to commencement of interviews. Institutional ethics clearance was obtained from the University of the Western Cape Biomedical Research Ethics Committee as well as the departments where experts’ worked (where prior permission was needed).
: Not applicable.
: The authors declare that they have no competing interests.