Naidu, Kalai
van Staden, Werdie
Fletcher, Lizelle
Article History
Received: 5 September 2019
Accepted: 4 April 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: The study was approved by the Faculty of Health Sciences Research Ethics Committee and was performed within the stipulations of the 2013 version of the Declaration of Helsinki. Each research participant gave informed consent to participate in the study, affirmed by signing an ethically approved informed consent document.
: Not applicable.
: The authors declare that they have no competing interests.