1. Department of Medicine
2. Department of Radiology
3. Department of Pathology, and
4. Department of Respiratory Medicine, Tokyo Medical and Dental University, Tokyo, Japan
5. National Jewish Health, Denver, Colorado
6. Vanderbilt University Medical Center, Nashville, Tennessee
7. Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania; and
8. Department of Internal Medicine, University of California, San Francisco, San Francisco, California
9. Department of Immunology and Microbiology, University of Colorado, Aurora, Colorado