1. Division of Epidemiology & Biostatistics School of Public Health & Family Medicine University of Cape Town Cape Town South Africa
2. Centre for Infectious Disease Epidemiology & Research School of Public Health & Family Medicine University of Cape Town Cape Town South Africa
3. Mailman School of Public Health ICAP‐Columbia University New York NY USA
4. Department of Epidemiology Mailman School of Public Health New York NY USA
5. Department of Epidemiology and Biostatistics CUNY Graduate School of Public Health & Health Policy New York NY USA
6. Division of Global HIV and Tuberculosis (DGHT) US Centers for Disease Control and Prevention Atlanta GA USA
7. Division of Global HIV and Tuberculosis (DGHT) US Centers for Disease Control and Prevention Nairobi Kenya
8. Department of Pediatrics Vagelos College of Physicians and Surgeons Columbia University New York NY USA