1. Department of Otolaryngology Taipei Medical University Hospital Taipei Taiwan
2. Department of Otolaryngology, School of Medicine, College of Medicine Taipei Medical University Taipei Taiwan
3. Department of Health Services Policy and Management, Arnold School of Public Health University of South Carolina Columbia South Carolina
4. Department of Medical Research Taipei Veterans General Hospital Taipei Taiwan
5. Department of Otolaryngology‐Head and Neck Surgery Taipei Veterans General Hospital Taipei Taiwan
6. Department of Otolaryngology‐Head and Neck Surgery, School of Medicine National Yang‐Ming University Taipei Taiwan
7. Department of Speech, Language and Audiology National Taipei University of Nursing and Health Sciences Taipei Taiwan
8. School of Health Care Administration Taipei Medical University Taipei Taiwan
9. Sleep Research Center Taipei Medical University Hospital Taipei Taiwan