1. Department of Otolaryngology, College of Medicine, National Taiwan University, and National Taiwan University Hospital and Children’s Hospital, Taipei, Taiwan
2. Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
3. Department of Otolaryngology, Taipei Hospital, Ministry of Health and Welfare, New Taipei City, Taiwan
4. Sleep Center, National Taiwan University Hospital, Taipei, Taiwan
5. Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan