1 Tuberculosis Control Program, Public Health,- Seattle & King County, Washington, USA.
2 Division of Pulmonary, Critical Care and Sleep Medicine, University of Washington, Seattle, Washington, USA.
3 Tuberculosis Program, Office of Communicable Disease Epidemiology, Washington State Department of Health, Tumwater, Washington, USA.
4 Division of Tuberculosis Elimination, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, USA.