Funding for this research was provided by:
National Research Fund-Thuthuka grant (443812)
Article History
Received: 2 January 2018
Accepted: 19 March 2018
First Online: 26 March 2018
Compliance with ethical standards
:
: Angel Phuti (AP), Marguerite Schneider (MS) and Mohammed Tikly (MT) received no research grants and each declare no conflict of interest. This study was funded by the National Research Fund (NRF); South Africa—Thuthuka Grant no: 443812. Bridget Hodkinson (BH) received this research grant and declares that she has no conflict of interest.
: This narrative review includes research studies that enrolled human subjects who had individually given an informed consent.
: All procedures performed in the studies (included in this review) involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.