Funding for this research was provided by:
Inyuvesi Yakwazulu-Natali
Prof. T. Naicker
Article History
Received: 9 January 2021
Accepted: 9 April 2021
First Online: 21 April 2021
Declarations
:
: All authors on this paper wish to declare that there is no conflict of interest.
: This study was approved by the Biomedical Research Ethics Administration, University of KwaZulu-Natal, Durban, South Africa, for the use of retrospectively collected samples. Ethics No: BCA 338/17.
: Consent to participate and for publication Health authority permission, written informed consent from all participants as well as hospital managers’ approval, is available for this study.