Sleep Apnea Syndromes

• The MetroHealth System — Cleveland, Ohio, United States
• University of Pittsburgh Medical Center — Pittsburgh, Pennsylvania, United States

Not specified

Not specified

• Beijing Anzhen Hospital, Capital Medical University — Beijing, Beijing Municipality, China

• John D. Dingell VA Medical Center, Detroit, MI — Detroit, Michigan, United States

• Centre for Lung Health — Vancouver, British Columbia, Canada
• Leon Judah Blackmore Centre for Sleep Disorders — Vancouver, British Columbia, Canada

• Johns Hopkins Bayview Medical Center — Baltimore, Maryland, United States

• Assiut University hospital — Asyut, Asyut Governorate, Egypt

• Peninsula Sleep Center — Burlingame, California, United States
• Amnova Research — Irvine, California, United States
• ACTRI Center for Clinical Research — La Jolla, California, United States

• Taipei Veterans General Hospital — Taipei, Taiwan