1. University of California San Francisco, 8785, Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, San Francisco, California, United States
2. University of Iowa, Department of Radiology, Iowa City, Iowa, United States
3. University of Iowa Carver College of Medicine, Radiology, Iowa City, Iowa, United States
4. University of Kansas School of Medicine, 12251, Division of Pulmonary, Critical Care and Sleep Medicine, Kansas City, Kansas, United States
5. University College Dublin, 8797, School of Medicine, Dublin, Ireland
6. The Pennsylvania State University, 8082, Division of Biostatistics and Bioinformatics, Penn State College of Medicine, University Park, Pennsylvania, United States
7. University of Wisconsin, Medicine-Allergy, Pulmonary and Critical Care Medicine, Madison, Wisconsin, United States
8. University of Wisconsin, School of Medicine and Public Health, Madison, Wisconsin, United States
9. Brigham & Women's Hospital, Pulmonary and Critical Care Division, Boston, Massachusetts, United States
10. Brigham and Women's Hospital Biomedical Research Institute, 278479, Pulmonary and Critical Care Medicine, Boston, Massachusetts, United States
11. University of Pittsburgh, Division of Pulmonary, Allergy and Critical Care Medicine, Pittsburgh, Pennsylvania, United States
12. Dept of EOH, Pittsburgh, Pennsylvania, United States
13. Washington University School of Medicine, Division of Pulmonary and Critical Care Medicine, St. Louis, Missouri, United States
14. Wake Forest University School of Medicine, 12279, Department of Internal Medicine, Section for Pulmonary, Critical Care, Allergy and Immunology, Winston-Salem, North Carolina, United States
15. VIDA Diagnostics Inc., Coralville, Iowa, United States
16. University of California San Francisco, 8785, Department of Epidemiology and Biostatistics, San Francisco, California, United States
17. University of California San Francisco, 8785, Cardiovascular Research Institute, San Francisco, California, United States
18. University of Wisconsin-Madison, 5228, School of Pharmacy, Madison, Wisconsin, United States
19. University of California San Francisco, 8785, Cardiovascular Research Institute, San Francisco, California, United States;