1. Division of Otolaryngology ‐ Head and Neck SurgeryTaipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation New Taipei City Taiwan
2. School of MedicineTzu Chi University Hualien Taiwan
3. Big Data Research CenterChanghua Christian Hospital Changhua Taiwan
4. Cancer Research CenterChanghua Christian Hospital Changhua Taiwan
5. Institute of Epidemiology and Preventive MedicineCollege of Public Health, National Taiwan University Taipei Taiwan
6. School of Oral HygieneCollege of Oral Medicine, Taipei Medical University Taipei Taiwan
7. Department and Graduate Institute of Health Care ManagementChang Gung University Tao‐Yuan Taiwan
8. Department and Graduate Institute of Health Care ManagementKainan University Tao‐Yuan Taiwan
9. Department of Internal MedicineCollege of Medicine, National Taiwan University Taipei Taiwan
10. Department of OtolaryngologyCollege of Medicine, National Taiwan University Taipei Taiwan
11. Department of Otolaryngology ‐ Head and Neck SurgeryChanghua Christian Hospital Changhua Taiwan