1. Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
2. Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia
3. Tuberculosis Control Branch, Division of Communicable Disease Control, Centre for Infectious Diseases, California Department of Public Health, Richmond, California
4. Bureau of Tuberculosis Control, New York State Department of Health, Albany, New York
5. Division of Infectious Diseases and Global Medicine, College of Medicine, University of Florida, Gainesville, Florida
6. Tuberculosis Control Section, Florida Department of Health, Tallahassee, Florida