Sleep Disorders, Intrinsic

• Sleep Disorders Center of Alabama — Birmingham, Alabama, United States
• Pulmonary Associates — Glendale, Arizona, United States
• Mayo Clinic in Arizona — Scottsdale, Arizona, United States
• Preferred Research Partners — Little Rock, Arkansas, United States

• Evangelisches Krankenhaus Herne — Herne, Germany

Not specified

• Duke University Medical Center — Durham, North Carolina, United States

• Bezmialem Vakif Universitesi, Department of Physiotherapy and Rehabilitation — Istanbul, Eyup, Turkey (Türkiye)

• Weill Cornell Medical College Center for Sleep — New York, United States

• University of Bologna-Department of Speciality, Diagnostic and Experimental Medicine — Bologna, Italy

• Sleep Center of Tulsa - Midtown — Tulsa, Oklahoma, United States
• Sleep Center of Tulsa - South — Tulsa, Oklahoma, United States

Not specified

• Gustave Roussy — Villejuif, Val De Marne, France