Safety and Efficacy of Xyrem Oral Solution (Sodium Oxybate) Compared With Placebo in Narcoleptic Patients

Sleep/Wake Center 7N2 -- Bellevue Hospital Center, New York

The Sleep Center - Community General Hospital, Syracuse

Center for Sleep and Wake Disorders, Chevy Chase

VCU Health System MCV Hospitals - Sleep Disorders Center, Richmond

Sleep Disorders Center -- Eastern Virginia Medical School -- Sentara General Hospital, Norfolk

Raleigh Neurology Associates, Raleigh

Duke University Medical Center, Durham

Central Carolina Neurology & Sleep, Salisbury

Palmetto Baptist Medical Center Sleep Disorders Center, Columbia

Charleston Pulmonary Associates PA, Charleston

Charleston Pulmonary Associates PA, Mt. Pleasant

Sleep Disorders Center of Georgia, Atlanta

St. Petersburg Sleep Disorders Center, St. Petersburg

Sleep Disorders Center of Alabama, Inc., Birmingham

Sleep Medicine Assoc PLLC -- Summit Medical Center, Hermitage

Chest Medicine Associates DBA/Sleep Medicine Specialists, Louisville

CSC Research -- Grove City Sleep Diagnostic Center, Grove City

Southwest Cleveland Sleep Center, Middleburg Heights

The Center for Sleep and Wake Disorders/Midwest Neurology, Danville

Fort Wayne Neurological Center, Fort Wayne

Fort Wayne Neurological Center, Fort Wayne

Sleep Disorders Center--Division of Neurology, Evanston

Peoria Pulmonary Associates, Ltd., Peoria

Washington University -- Sleep Medicine Center, St Louis

LSU Health Science Center, Shreveport

Lynn Health Science Institute, Oklahoma City

Clinical Pharmaceutical Trials, Inc., Tulsa

Sleep Medicine Associates of Texas, Plano

The Houston Sleep Center, Houston

Stanford Sleep Disorders Clinic, Stanford

Swedish Sleep Medicine Institute, Seattle

Pacific Sleep Medicine Services, La Jolla

Center for Sleep Diagnostics, Newton

Department of Neurology, Worcester

Rhode Island Hospital - Division of Pulmonary, Sleep and Critical Care Medicine, Providence

Miriam Hospital, Providence

Low Country Lung and Critical Care PA, Charleston

Canadian Sleep Institute, Calgary

Vancouver Hospital -- Sleep Disorders Clinic, Vancouver

Saint John Regional Hospital -- Somnology Program, Saint John

The Ottawa Hospital Sleep Centre -- Ottawa Hospital -- Civic Campus -- Sleep Laboratory, Ottawa

The Sleep Disorders Clinic of the Centre for Sleep and Chronobiology, Toronto

Brain & Sleep Diagnostic Center, Toronto

Sleep Disorder Centre -- Hopital du Sacre-Coeur, Montreal

Neurologische Poliklinik - Universitats Spital Zurich, Zurich