Saal, W. http://orcid.org/0000-0002-3774-8923
Kagee, A. http://orcid.org/0000-0003-1241-2566
Bantjes, J. http://orcid.org/0000-0002-3626-9883
Funding for this research was provided by:
National Research Foundation (93515)
South African Medical Research Council (Career Development Grant)
Article History
First Online: 9 January 2020
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.
: Informed consent was obtained from all individual participants included in the study.