1. Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa
2. Department of Psychiatry and Mental Health, Division of Child & Adolescent Psychiatry, Adolescent Health Research Unit, University of Cape Town, Cape Town, South Africa
3. South African DST-NRF Centre of Excellence in Epidemiological Modelling and Analysis (SACEMA), Stellenbosch University, Stellenbosch, South Africa
4. Data Yarn, Pretoria, South Africa
5. Centers for Disease Control and Prevention, Pretoria, South Africa
6. Faculty of Health Sciences, Perinatal HIV Research Unit (PHRU), School of Clinical Medicine, University of the Witwatersrand, Johannesburg, South Africa