Obstructive Sleep Apnea

• Alabama Sleep Clinic — Huntsville, Alabama, United States
• Pulmonary Disease Specialists - Central Florida Sleep Centre — Kissimmee, Florida, United States
• Clayton Sleep Institute — St Louis, Missouri, United States
• Ohio Sleep Medicine and Neurosciences Institute — Dublin, Ohio, United States

• California Center for Sleep Disorders — Alameda, California, United States

• Hospital Otávio de Freitas — Recife, Pernambuco, Brazil

Not specified

• Federal University of São Paulo — São Paulo, Brazil

• Encino Center for Sleep and TMJ Disorders — Encino, California, United States

• Winthrop University Hospital — Mineola, New York, United States

• Weill Cornell Medical College - Weill Cornell Pulmonary Associates — New York, United States

• Fisher & Paykel Healthcare — Auckland, New Zealand

Not specified