Sleep Apnea, Obstructive

• Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States

• Sleep and Ventilation Center — Blaubeuren Abbey, Ulm, Germany
• Advanced Sleep Research GmbH — Berlin, Germany
• Hospital Universitario de Valme. — Seville, Spain

• University of California, Los Angeles — Los Angeles, California, United States

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

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

• The Sleep Lab — Kaneohe, Hawaii, United States

• Université de Montréal — Montreal, Quebec, Canada

Not specified

• Towson University Wellness Center — Towson, Maryland, United States

• Sleep Disorder Center of Alabama — Birmingham, Alabama, United States
• The Research Center of Southern California — Oceanside, California, United States
• SDS Clinical Trials, INC — Orange, California, United States
• Santa Monica Clinical Trials — Santa Monica, California, United States