1. Division of Tuberculosis Elimination, Laboratory Branch, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, 1600 Clifton Road NE, Atlanta, GA 30329, USA
2. Tennessee Department of Health, Division of Laboratory Services, 630 Hart Lane, Nashville, TN 37216, USA
3. Mycobacteriology Laboratory, Wadsworth Center, New York State Department of Health, 120 New Scotland Avenue, Albany, NY 12208, USA
4. Public Health Laboratory, Los Angeles County Department of Public Health, 12750 Erickson Avenue, Los Angeles, CA 90242, USA
5. Mycobacteriology Laboratory, Wisconsin State Laboratory of Hygiene, 465 Henry Mall, Madison, WI 53706, USA
6. Missouri State Public Health Laboratory, 101 North Chestnut Street, Jefferson City, MO 65102, USA
7. Department of Pathology, Johns Hopkins School of Medicine, 600 North Wolfe Street, Baltimore, MD 21287, USA
8. Bureau of Clinical Laboratories, Alabama Department of Public Health, 8140 AUM Drive, Montgomery, AL 36117, USA
9. Massachusetts State Public Health Laboratory, 305 South Street, Jamaica Plain, MA 02130, USA
10. County of San Diego Public Health Laboratory, 3851 Rosecrans Street, San Diego, CA 92110, USA