aDivision of Epidemiology and Biostatistics, Faculty of Medicine and Health Sciences, Stellenbosch University, South Africa
bDivision of Biostatistics and Bioinformatics, School of Public Health, University of California, San Diego, California, USA
cPerinatal HIV Research Unit, Faculty of Health Sciences
dSchool of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg
eFamily Center for Research with Ubuntu, Department of Paediatrics and Child Health, Stellenbosch University, South Africa
fDepartment of Medicine, Division of Infectious Diseases, University of California, San Diego, California, USA
gDesmond Tutu HIV Centre, University of Cape Town, Cape Town, South Africa.
Correspondence to Claire Davies, Stellenbosch University, Cape Town, South Africa. Tel: +27 61 326 7974; e-mail: [email protected]
Received 24 September, 2022
Accepted 13 February, 2023
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