1. Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
2. Harvard Medical School, Boston, Massachusetts
3. Department of Radiology, University of Alabama at Birmingham
4. Division of Sleep and Circadian Disorders, Brigham and Women’s Hospital, Boston, Massachusetts
5. Department of Radiology, University of California, San Diego
6. now with Department of Radiology, National Jewish Health, Denver, Colorado
7. Department of Radiology, Brigham and Women’s Hospital, Boston, Massachusetts
8. Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania
9. Division of Pulmonary, Critical Care and Sleep Medicine at National Jewish Health, Denver, Colorado
10. Division of Pulmonary and Critical Care at the University of Michigan, Ann Arbor
11. Department of Radiology, Mayo Clinic, Jacksonville, Florida
12. Channing Division of Network Medicine, Brigham and Women’s Hospital, Boston, Massachusetts