1. North Dakota Center for Sleep, Fargo, North Dakota
2. Department of Internal Medicine, Division of Infectious Disease, Mayo Clinic, Rochester, Minnesota
3. Concentra, Inc., Grand Rapids, Michigan
4. Division of Pulmonary and Sleep Medicine, Mayo Clinic, Jacksonville, Florida
5. Division of Sleep and Circadian Disorders, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
6. Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts
7. ProHealth Care Sleep Center, Delafield, Wisconsin
8. Sweet Dreams Sleep Services, Gering, Nebraska
9. Division of Pulmonary and Critical Care Medicine, Center for Sleep Medicine, Mayo Clinic, Rochester, Minnesota
10. Division of Pulmonary, Critical Care and Sleep Medicine, University of Maryland School of Medicine, Baltimore, Maryland
11. Division of Pulmonary, Asthma, and Sleep Medicine, Department of Pediatrics, Stanford University School of Medicine, Palo Alto, California
12. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
13. Division of Sleep Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
14. Corporal Michael Crescenz VA Medical Center, Philadelphia, Pennsylvania