1. Department of Medicine, Columbia University College of Physicians & Surgeons, New York, New York
2. Division of Pulmonary, Critical Care, Allergy, and Immunologic Medicine, Department of Medicine, Wake Forest University, Winston-Salem, North Carolina
3. Center for Public Health Genomics, University of Virginia, Charlottesville, Virginia
4. Department of Radiology
5. Department of Medicine, and
6. Department of Biomedical Engineering, University of Iowa, Iowa City, Iowa
7. LA Biomed
8. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Cardiovascular Research Institute, University of California, San Francisco, California
9. Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
10. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland
11. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Weill Cornell Medical College, New York, New York
12. Division of Respiratory, Critical Care, and Occupational Pulmonary Medicine, Department of Medicine, University of Utah School of Medicine, Salt Lake City, Utah
13. Division of Pulmonary and Critical Care Medicine, Michigan Medicine, Ann Arbor, Michigan
14. Department of Physiology, David Geffen School of Medicine, University of California, Los Angeles, California
15. Division of Pulmonary, Allergy, and Critical Care, University of Alabama at Birmingham, Birmingham, Alabama
16. Department of Thoracic Medicine, Temple University, Philadelphia, Pennsylvania
17. Division of Pulmonary and Critical Care, University of Illinois, Chicago, Illinois
18. Division of Pulmonary and Critical Care, National Jewish, Denver, Colorado; and
19. Department of Medicine, University of Arizona, Tucson, Arizona