Funding for this research was provided by:
National Research Foundation (92241)
Carnegie Corporation of New York (B874.R01)
Article History
First Online: 28 February 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest. The necessary ethical clearance to conduct the research was obtained from the Research Office of the University of the Witwatersrand (H120803). All ethical standards were adhered to. The relevant local authorities were approached for permission to conduct the research and formal, free, prior and informed consent was obtained from all participants. Anonymity was assured.