1. Division of Pulmonary and Critical Care Medicine, University of Connecticut School of Medicine, Farmington, Connecticut
2. Pulmonary Disease and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota
3. Oregon Health and Science University, Portland, Oregon
4. University of Kentucky College of Public Health, Lexington, Kentucky
5. Division of Mycobacterial and Respiratory Infections, National Jewish Health, Denver, Colorado
6. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
7. Columbia University/New York Presbyterian Hospital, New York, New York
8. Icahn School of Medicine at Mount Sinai, New York, New York
9. University of Texas Health Sciences Center at Tyler, Tyler, Texas
10. Mayo Clinic Florida, Jacksonville, Florida
11. University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina
12. Georgetown University Hospital, Washington, DC
13. National Institute of Allergy and Infectious Diseases, Bethesda, Maryland
14. University of Miami, Miller School of Medicine, Miami, Florida
15. Center for Chest Disease, Columbia University Medical Center/New York Presbyterian Hospital, New York, New York; and
16. University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania