1. Division of Infectious Diseases, UMDNJ-New Jersey Medical School, Newark, NJ 07103.
2. Department of Medicine, UMDNJ-New Jersey Medical School, Newark, NJ 07103.
3. National Tuberculosis Center, UMDNJ-New Jersey Medical School, Newark, NJ 07103.
4. Department of Microbiology and Molecular Genetics, UMDNJ-New Jersey Medical School, Newark, NJ 07103.
5. Center for Emerging and Reemerging Pathogens, UMDNJ-New Jersey Medical School, Newark, NJ 07103.