Nel, Sanja
Wenhold, Friedeburg Anna Maria
Mulol, Helen
Yende-Zuma, Nonhlanhla
Feucht, Ute Dagmar
Funding for this research was provided by:
South African Medical Research Council
Article History
Received: 31 October 2024
Accepted: 18 March 2026
First Online: 14 April 2026
Declarations
:
: The authors declare no competing interests.
: Approval to conduct the study was obtained from the University of Pretoria Faculty of Health Sciences Research Ethics Committee (Protocol 283/2019). Written informed consent was obtained from infants’ mothers/ guardians, and deidentified data were processed. All research adhered to procedures and guidelines as approved by the Research Ethics Committee, including the Helsinki Declaration.