1. Ministry of Health, Manama, Kingdom of Bahrain
2. College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Kingdom of Bahrain
3. Department of Medicine, College of Medicine, University Sleep Disorders Center, King Saud University, Riyadh, Saudi Arabia
4. The Strategic Technologies Program of the National Plan for Sciences and Technology and Innovation in the Kingdom of Saudi Arabia, Riyadh, Saudi Arabia
5. Laboratory for Industrial and Applied Mathematics, Department of Mathematics and Statistics, York University, Toronto, Canada
6. Department of Clinical Nutrition and Dietetics, College of Health Sciences/ Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
7. Psychiatry & Behavioral Sciences, Gerontology & Geriatric Medicine, and Biobehavioral Nursing, University of Washington, Seattle, Washington