1. Division of Pulmonary and Critical Care Medicine, Center for Sleep Medicine, Mayo Clinic, Rochester, Minnesota
2. Sleep Medicine Center, Washington University School of Medicine, St. Louis, Missouri
3. Saint Thomas Medical Partners - Sleep Specialists, Nashville, Tennessee
4. Veteran Affairs Greater Los Angeles Healthcare System, North Hills, California
5. David Geffen School of Medicine at the University of California, Los Angeles, California
6. Sleep Medicine, Millennium Physician Group, Fort Myers, Florida
7. Department of Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey
8. Division of Pulmonary Critical Care and Sleep Medicine, University of Washington, Seattle, Washington
9. Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, Ohio
10. Wayne State University, Detroit, Michigan
11. University of Michigan Sleep Disorders Center, University of Michigan, Ann Arbor, Michigan
12. Emory Sleep Center and Department of Neurology, Emory University School of Medicine, Atlanta, Georgia