Broward Research Group, Pembroke Pines, Florida, United States
Gaylord Sleep Medicine, Wallingford, Connecticut, United States
Genova Clinical Research, Tuscon, Arizona, United States
LSU Health Science Center Shreveport (132), Shreveport, Louisiana, United States
Boston University (040), Boston, Massachusetts, United States
Colorado Neurological Institute (052), Englewood, Colorado, United States
Neurotrials Research, Inc, Atlanta, Georgia, United States
Tri-State Sleep Disorders Center, Cincinnati, Ohio, United States
St. Luke's Hospital Sleep Medicine and Research Center, Chesterfield, Missouri, United States