1. Cleveland Clinic Sleep Disorders Center, Cleveland, OH
2. Cleveland Clinic Department of Hospital Medicine and Anesthesiology Outcomes Research, Cleveland, OH
3. Emory Sleep Disorders Center, Atlanta, GA
4. Cleveland Clinic Quantitative Health Sciences, Cleveland, OH
5. Johns Hopkins Department of Anesthesiology, Baltimore, MD
6. Cleveland Clinic Department of Cardiac and Thoracic Surgery, Cleveland, OH
7. Cleveland Medical Devices Inc., Cleveland, OH