Strauss, Michél
Smith, Wayne
Kruger, Ruan
van der Westhuizen, Bianca
Schutte, Aletta E. http://orcid.org/0000-0001-9217-4937
Funding for this research was provided by:
South African Medical Research Council
DST/NRF SARCHI (UID86895)
Newton Fund
GlaxoSmithKline R&D
UK Medical Research Council
Pfizer (SA)
Boehringer Ingelheim (SA)
Novartis (SA)
Medi Clinic Hospital Group (SA)
Roche Diagnostics (SA)
Article History
Received: 16 May 2018
Accepted: 17 July 2018
First Online: 21 July 2018
Change Date: 4 August 2018
Change Type: Correction
Change Details: In the Original publication of the article Fig. 1 was published incorrectly. The correct figure is given below. The original article has been corrected.
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All organizational procedures were then thoroughly explained, and participants who voluntarily proceeded with the study gave written informed consent. All procedures abided by the declaration of Helsinki and institutional guidelines.