1. The University Sleep Disorders Center; Department of Medicine; College of Medicine; King Saud University; Riyadh Saudi Arabia
2. Strategic Technologies Program of the National Plan for Sciences and Technology and Innovation in the Kingdom of Saudi Arabia; Riyadh Saudi Arabia
3. Somnogen Canada Inc.; Toronto ON Canada
4. Department of Respiratory and Sleep Medicine; Royal Prince Alfred Hospital; Camperdown Australia
5. Sleep and Circadian Group; Woolcock Institute of Medical Research; University of Sydney; Sydney Australia
6. Department of Medicine; College of Medicine; King Saud University; Riyadh Saudi Arabia
7. Department of Family and community Medicine; College of Medicine; King Saud University; Riyadh Saudi Arabia
8. Division of Pulmonary and Sleep Medicine; Bethesda North Hospital; Cincinnati OH USA