Sleep Apnea, Central

• Department of Oral and Maxillofacial Surgery — Amsterdam, North Holland, Netherlands

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

Not specified

• Robert Debré Hospital — Paris, Ap-hp / DRCI, France

• Banner University Medical Center — Phoenix, Arizona, United States
• Arizona Heart Rhythm Center — Phoenix, Arizona, United States
• HonorHealth — Scottsdale, Arizona, United States
• The University of California San Francisco — San Francisco, California, United States

• Altman Clinical and Translational Research Institute (ACTRI) — La Jolla, California, United States
• Teradan Clinical Trials — Brandon, Florida, United States
• PharmaDev Clinical Research Institute, LLC — Miami, Florida, United States
• Infinity Medical Research — North Dartmouth, Massachusetts, United States

• University of Ottawa Heart Institute — Ottawa, Ontario, Canada

• The Hospital for Sick Children — Toronto, Ontario, Canada

• Schlaf- und Beatmungszentrum Blaubeuren — Blaubeuren Abbey, Baden-Wurttemberg, Germany
• Ambulante Schlafmedizin Herold/Kaa — Fürth, Bavaria, Germany
• Klinikum Nürnberg-Med Klinik 3 — Nuremberg, Bavaria, Germany
• Klinik für Schlafmedizin Düsseldorf Grand Arc — Düsseldorf, North Rhine-Westphalia, Germany

• Sleep Center; San Bernardino County Medical Center, Kaiser Permanente — Fontana, California, United States