| Affiliation: | 1. Division of Medical Virology, Institute of Infectious Disease and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa;2. Department of Epidemiology and Biostatistics, City University of New York Graduate School of Public Health & Health Policy, New York, NY, USA;3. Department of Statistics & Biostatistics, Rutgers The State University, Piscataway, NJ, USA;4. Division of Epidemiology & Biostatistics and Centre for Infectious Diseases Epidemiology & Research School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa;5. National Health Laboratory Services, Cape Town, South Africa;6. FHI 360, Durham, NC, USA |
