1. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA; Center for Tuberculosis Research, Johns Hopkins University, Baltimore, Maryland, USA
2. Office of Health Information, HIV/AIDS, Tuberculosis, Malaria and Neglected Tropical Diseases Cluster, World Health Organization, Geneva, Switzerland
3. Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, USA; Division of Global Health Equity, Brigham and Women's Hospital, Boston, Massachusetts, USA