1. Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, Washington;
2. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine and Program in Cellular and Molecular Biology, University of Michigan School of Medicine, Ann Arbor, Michigan;
3. Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine and
4. Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee;
5. Division of Pulmonary Sciences and Critical Care, Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado;
6. Program in Cell Biology, Department of Pediatrics, National Jewish Health, Denver, Colorado;
7. Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, Tennessee;
8. Division of Pulmonary, Critical Care, Allergy, and Sleep Medicine, Department of Medicine,
9. Division of Pulmonary, Critical Care, Allergy, and Sleep Medicine, Department of Anesthesia,
10. Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Stem Cell Institute, Stanford University School of Medicine, Stanford, California;
11. Department of Internal Medicine VI and Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Giessen, Germany;
12. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Oregon Health & Science University, Portland, Oregon;
13. Department of Laboratory Medicine, and
14. Departments of Medicine and Anesthesia, Cardiovascular Research Institute, University of California San Francisco, San Francisco, California;
15. Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania;
16. Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts;
17. Division of Nephrology, University of Texas Southwestern, Dallas, Texas;
18. Department of Physiology and Cell Biology, College of Medicine, Center for Lung Biology, University of South Alabama, Mobile, Alabama; and
19. Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, Massachusetts