1. Department of Otolaryngology, National Taiwan University Hospital, Taipei, Taiwan
2. Department of Otolaryngology, Taipei Hospital, Ministry of Health and Welfare, New Taipei City, Taiwan
3. Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan
4. Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan
5. Sleep Center, National Taiwan University Hospital, Taipei, Taiwan
6. Department of Otolaryngology, China Medical University Hospital, Taipei Branch, Taiwan
7. Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan