Hofmeyr, G. Justus http://orcid.org/0000-0002-3080-1007
Singata-Madliki, Mandisa http://orcid.org/0000-0003-4193-8786
Batting, Joanne
Balakrishna, Yusentha http://orcid.org/0000-0001-6449-3260
Morroni, Chelsea http://orcid.org/0000-0002-2026-6039
Article History
Received: 7 March 2022
Accepted: 22 February 2024
First Online: 8 March 2024
Declarations
:
: The original ECHO Trial was approved by ethics committees at all the participating sites [CitationRef removed]. All participants gave written informed consent to participate. The application for additional tests on stored biological samples was approved by the Human Research Ethics Committee, University of the Witwatersrand on 6 May 2019, reference 141112. The research was conducted in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.