1. Jazz Pharmaceuticals, Inc. Palo Alto, CA
2. The Houston Sleep Center, University of Texas-Houston, School of Medicine, Houston, TX
3. Psychiatric Research Institute, University of Arkansas for Medical Sciences, Little Rock, AR
4. Montefiore Medical Center, Bronx, NY
5. Albert Einstein School of Medicine, Bronx, NY
6. University of California, San Francisco, San Francisco, CA