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