Funding for this research was provided by:
Center for AIDS Research, University of California, San Diego (P30-AI036214)
Article History
First Online: 23 February 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: All procedures involving human participants were in accordance with the ethical standards for the institutional review board and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the Health Research Ethics Committee (HREC) of Stellenbosch University, South Africa (HREC #: N07/07/153).
: Informed consent was obtained from all individual participants included in the study. No personal identifying information is included in the manuscript.