Mouton, J. M.
van der Merwe, L.
Goosen, A.
Revera, M.
Brink, P. A.
Moolman-Smook, J. C.
Kinnear, C.
Funding for this research was provided by:
Wellcome Trust (GR073610MA)
Article History
Received: 29 October 2015
Accepted: 15 February 2016
First Online: 11 March 2016
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies 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.