1. Channing Division of Network Medicine and
2. Department of Medicine, Harvard Medical School, Boston, Massachusetts;
3. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts;
4. Division of Pulmonary and Critical Care Medicine, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, California;
5. Division of Pulmonary and Critical Care Medicine and
6. Department of Microbiology and Immunology, University of Michigan, Ann Arbor, Michigan;
7. Division of Pulmonary, Critical Care, Allergy, and Sleep Medicine, University of California, San Francisco, California;
8. Marsico Lung Institute, School of Medicine, University of North Carolina, Chapel Hill, North Carolina;
9. Division of Pulmonary and Critical Care Medicine, Department of Medicine, National Jewish Health, Denver, Colorado;
10. Centre for Heart and Lung Innovation, St. Paul’s Hospital, Vancouver, British Columbia, Canada;
11. Division of Respiratory Medicine, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; and
12. Research Service and
13. Medical Service, VA Ann Arbor Healthcare System, Ann Arbor, Michigan