1. Department of Otorhinolaryngology Taipei City Hospital Taipei Taiwan
2. Department of Speech, Language, and Audiology National Taipei University of Nursing and Health Taipei Taiwan
3. Research Center of Sleep Medicine, College of Medicine Taipei Medical University Taipei Taiwan
4. Department of Health Services Policy and Management Arnold School of Public Health, University of South Carolina Columbia South Carolina U.S.A.
5. Department of Medical Research Taipei Veterans General Hospital Taipei Taiwan
6. Department of Otolaryngology–Head and Neck Surgery Taipei Veterans General Hospital Taipei Taiwan
7. Department of Otolaryngology–Head and Neck Surgery, School of Medicine National Yang‐Ming University Taipei Taiwan
8. College of Science and Engineering Fu Jen University New Taipei City Taiwan
9. School of Health Care Administration, College of Management Taipei Medical University Taipei Taiwan
10. Sleep Research Center Taipei Medical University Hospital Taipei Taiwan