1. Institute for Global Health, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
2. Division of Infectious Diseases, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
3. Vanderbilt Tuberculosis Center, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
4. The Aurum Institute, Johannesburg, South Africa
5. Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
6. Departments of Pathology and Medicine (Clinical Pharmacology), Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
7. Department of Medicine Infectious Diseases, Johns Hopkins University Center for Tuberculosis Research, Baltimore, Maryland, USA
8. Department of International Health and Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
9. School of Public Health, University of Witwatersrand, Johannesburg, South Africa