1. UW Medicine Sleep Center, Division of Pulmonary Critical Care, University of Washington, Seattle, WA
2. Case Western Reserve University, School of Medicine, Cleveland, OH
3. Rainbow Babies and Children's Hospital, University Hospitals, Case Medical Center, Cleveland, OH
4. Center for Sleep Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, MetroHealth Medical Center, Cleveland, OH
5. Department of Psychiatry, University of Wisconsin, Madison, WI
6. Cleveland Clinic, Cleveland, OH
7. Hennepin County Medical Center, University of Minnesota, Minneapolis, MN
8. Northwestern University, Feinberg School of Medicine, Chicago, IL
9. Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA