Funding for this research was provided by:
World Health Organisation (2018/84549-0)
Received: 15 July 2020
Accepted: 18 November 2020
First Online: 2 December 2020
Ethics approval and consent to participate
: Ethics approval was obtained from the University of KwaZulu-Natal Humanities and Social Sciences Research Ethics Committee (HSSREC) (HSS/0319/018), the KZN Department of Health (HRKM235/18) and the World Health Organisation Ethics Committee (ERC 0003101). All mothers provided written informed consent to participate in the study. To maintain anonymity and confidentiality, mothers were allocated a study number that was used throughout the study period instead of their names.
: Not applicable.
: The authors declare that they have no competing interests.N Rollins is a staff member of the World Health Organization. The authors alone are responsible for the views expressed in this publication and do not necessarily reflect the decisions, policy or views of the World Health Organization.