1. University Sleep Disorders Center, Department of Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia
2. King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
3. Sleep Medicine Unit, Department of Physiology and Clinical Physiology, Sultan Qaboos University, Muscat, Oman
4. University Malaya Medical Centre(UMMC)/University Malaya Specialist Centre (UMSC)
5. Bamdad Respiratory and Sleep Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
6. Departments of Respiratory and Sleep Medicine, Internal Medicine, School of Medicine, The University of Jordan
7. Department of Psychiatry, The Chinese University of Hong Kong
8. Sleep Center, Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital. School of Traditional Chinese Medicine, Chang Gung University, Taoyuan, Taiwan
9. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand, Excellence Center for Sleep Disorders, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
10. Perpetual Help Medical Center Las Piñas, Philippines
11. Department of Psychiatry and Division of Sleep Medicine, All India Institute of Medical Sciences, Veerbhadra Marg, India
12. Sleep Lab Center. Lam Dong Medical College and Vietnam Society of Sleep Medicine. Dalat city, Vietnam
13. Division of Sleep Medicine, Peking University People’s Hospital, Beijing, China
14. Department of Neurology, Samsung Medical Center, Samsung Advanced Institute for Health Sciences & Technology (SAIHST), Sungkyunkwan University School of Medicine, Seoul, Korea
15. Center for Sleep and Circadian Medicine, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
16. Government Hospitals, Manama, Bahrain; Department of Psychiatry, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Bahrain
17. King Faisal Hospital and Research Center, Riyadh, Saudi Arabia
18. Seoul National University Hospital, Seoul National University College of Medicine
19. Department of Psychiatry, Shiga University of Medical Science, Seta-tsukinowa-cho, Otsu, Shiga, Japan
20. Singapore General Hospital Sleep Center, Singapore
21. Center of Sleep Disorder, National Taiwan University Hospital, Taipei, Taiwan; School of Medicine, National Taiwan University, Taipei, Taiwan
22. Department of Neurology, School of Medicine, Kyunghee University, Seoul, Korea
23. Li Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong Special Administrative Region, China
24. Japan Somnology Center, Neuropsychiatric Research Institute, Tokyo, Japan; Department of Somnology, Tokyo Medical University, Tokyo, Japan