De Witt, Caro
Smit, Inge
Jordaan, Esmè
Koen, Liezl
Niehaus, Dana J. H.
Botha, Ulla http://orcid.org/0000-0002-0788-5257
Article History
Received: 6 June 2018
Accepted: 3 April 2019
First Online: 25 April 2019
Ethics approval and consent to participate
: The study was approved by the Health Research Ethics Committee of Stellenbosch University, Cape Town, South Africa. (Health Research Ethics Committee, ref. #N08/04/097) All participants provided written, informed consent, in accordance with the Declaration of Helsinki.
: All participants provided written informed consent.
: The authors declare they have no competing interests.
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