1. Wellcome Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa;
2. Infectious Diseases and Immunity, and Imperial College Wellcome Trust Centre for Global Health, Imperial College London, United Kingdom;
3. Department of Medicine, University of Cape Town, Observatory, South Africa;
4. Department of Clinical Research, London School of Hygiene and Tropical Medicine,
5. Francis Crick Institute, London, and
6. National Institute for Health Research Respiratory Biomedical Research Unit, Clinical and Experimental Sciences Academic Unit, Faculty of Medicine, University of Southampton, United Kingdom;
7. Applied Proteomics and Chemical Biology Group, Department of Integrative Biomedical Sciences, and
8. Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, and
9. HIV/AIDS, Sexually Transmitted Infections and Tuberculosis Programme, Human Sciences Research Council, Cape Town, South Africa;
10. Department of Medical Statistics, London School of Hygiene and Tropical Medicine, and
11. Department of Medicine, Imperial College London, United Kingdom