1. Stanford University Sleep Medicine Center, Redwood City, CA
2. Neurology and Sleep Medicine Consultants of Houston, University of Texas-Houston School of Medicine, Houston, TX
3. Sleep Disorders Center of Alabama, Birmingham, AL
4. The Center for Sleep & Wake Disorders, Chevy Chase, MD
5. St Petersburg Sleep Disorders Center at Palms of Pasadena Hospital, St Petersburg, FL
6. NeuroTrials Research, Atlanta, GA
7. Aerial BioPharma, Morrisville, NC
8. Jazz Pharmaceuticals, Inc., Palo Alto, CA