1. Department of Otolaryngology, National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei2Department of Otolaryngology, Taipei Hospital, Ministry of Health and Welfare, New Taipei City, Taiwan
2. Department of Otolaryngology–Head and Neck Surgery, Stanford University School of Medicine, Stanford, California
3. Department of Internal Medicine, Hsiao Chung-Cheng Hospital, New Taipei City, Taiwan5Sleep Center, National Taiwan University Hospital, Taipei
4. Department of Otolaryngology, National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei5Sleep Center, National Taiwan University Hospital, Taipei