1. North Dakota Center for Sleep, Fargo, North Dakota
2. eviCore Healthcare, Bluffton, South Carolina
3. Greenville Health System, University of South Carolina, Greenville, South Carolina
4. University of Michigan Sleep Disorders Center, Ann Arbor, Michigan
5. Southern California Permanente Medical Group, Kaiser Permanente Fontana Sleep Disorders Center, Fontana, California
6. Cardiovascular Division, Department of Medicine, University of Virginia, Charlottesville, Virginia
7. Department of Medicine, University of Washington, Seattle, Washington
8. Division of Sleep Medicine, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
9. UR Medicine Sleep Center, Department of Neurology, University of Rochester School of Medicine and Dentistry, Rochester, New York
10. Carolinas Healthcare Medical Group Sleep Services, Charlotte, North Carolina
11. Saint Thomas Medical Partners - Sleep Specialists, Nashville, Tennessee
12. Division of Pulmonary and Critical Care Medicine, Center for Sleep Medicine, Mayo Clinic, Rochester, Minnesota
13. Johns Hopkins University, School of Medicine, Baltimore, Maryland
14. University of Pittsburgh, Pittsburgh, Pennsylvania
15. Washington University Sleep Center, Washington University, St. Louis, Missouri
16. Veteran Affairs Greater Los Angeles Health System, North Hills, California
17. David Geffen School of Medicine, UCLA, Los Angeles, California
18. Department of Pediatrics, Case Western Reserve University, University Hospitals - Cleveland Medical Center, Cleveland, Ohio
19. Wayne State University, Detroit, Michigan