1. Cochrane South Africa, South African Medical Research Council Francie van Zijl Drive,Parow Valley Cape Town 7501, South Africa
2. School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
3. The Impact Centre, Human Sciences Research, Parow, South Africa
4. SAMRC-Wits Developmental Pathways for Health Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg‐Braamfontein, South Africa
5. Department of Global Health, Stellenbosch University, Cape Town, South Africa