1. Charité Universitätsmedizin Berlin, Berlin, Germany
2. Baylor College of Medicine, Houston, TX
3. University of Southern Mississippi, Hattiesburg, MS
4. University of Michigan, Michigan School of Medicine, Ann Arbor, MI
5. School of Clinical Polysomnography, Medford, OR
6. University of Manitoba, Winnipeg, Canada
7. Vanderbilt University, Nashville, TN
8. University of Washington, Seattle, WA
9. Mayo Clinic College of Medicine, Rochester, MN
10. Stanford University, Stanford, CA
11. LSU Health Science Center — Shreveport, Department of Neurology and Office of the Dean, Shreveport, LA