1. Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, Scripps Clinic, La Jolla, California
2. University of California, San Diego School of Medicine, La Jolla, California
3. Department of Pulmonology, Critical Care and Sleep Medicine, Colorado Permanente Medical Group, Denver, Colorado
4. Section of Pulmonary and Critical Care Medicine, Department of Medicine, University of Chicago, Chicago, Illinois
5. Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Washington, Seattle, Washington
6. UW Medicine Sleep Center, Harborview Medical Center, Seattle, Washington
7. Department of Psychiatry, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania
8. Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
9. Division of Pulmonary, Critical Care and Sleep Medicine, and
10. Division of Geriatrics, Department of Medicine, University of California, Los Angeles, Los Angeles, California
11. Geriatric Research, Education and Clinical Center, VA Greater Los Angeles Health System, Los Angeles, California
12. Respirology Division/Sleep Laboratory, McGill University, Montreal, Quebec, Canada
13. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
14. Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California; and
15. Section of Pulmonary and Critical Care Medicine, Columbia St. Mary’s Hospital, Milwaukee, Wisconsin