1. Division of Pulmonary and Critical Care Medicine, Department of Medicine,
2. Applied Chest Imaging Laboratory, and
3. Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of California Davis, Sacramento, California
4. Department of Biostatistics,
5. Division of Cardiology and
6. Division of Cardiology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois;
7. Department of Radiology, Brigham and Women’s Hospital, Boston, Massachusetts;
8. Department of Critical Care, South Shore Hospital, South Weymouth, Massachusetts;
9. Division of Biostatistics,
10. Division of Epidemiology and Community Health, School of Public Health, and
11. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Weill Cornell Medicine, New York, New York;
12. Section of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, Baylor College of Medicine, Houston, Texas;
13. Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado;
14. Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee;
15. Translational Genomics Research Institute, Phoenix, Arizona; and
16. Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota;
17. Division of Pulmonary and Critical Care Medicine and