Sleep Apnea Syndromes

• Pivotal Research Centers — Peoria, Arizona, United States
• Central Phoenix Medical Clinic, LLC — Phoenix, Arizona, United States
• Radiant Research - Tucson — Tucson, Arizona, United States
• Central Arkansas Research — Hot Springs, Arkansas, United States

• UW Sleep Disorders Center at Harborview Medical Center — Seattle, Washington, United States
• Virginia Mason Medical Center — Seattle, Washington, United States
• University of Washington General Clinical Research Center — Seattle, Washington, United States

Not specified

• Depts of Respiratory Medicine and Orthodontics, Umeå University — Umeå, Sweden

• Instituto do Sono/Federal University of Sao Paulo — São Paulo, Brazil

• University of Michigan — Ann Arbor, Michigan, United States

• Royal Brompton Hospital and Imperial College — London, United Kingdom

• Hôpital TENON - APHP — Paris, France
• CHU de Saint-Etienne — Saint-Etienne, France

• Royal Prince Alfred Hospital — Camperdown, New South Wales, Australia

• Royal Prince Alfred Hospital — Camperdown, New South Wales, Australia