1. Department of Otorhinolaryngology-Head and Neck Surgery, China Medical University Hospital, Taichung, Taiwan
2. Department of Otorhinolaryngology-Head and Neck Surgery, Asia University Hospital, Taichung, Taiwan
3. School of Medicine, China Medical University, Taichung, Taiwan
4. Management office for Health Data, China Medical University Hospital, Taichung, Taiwan
5. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan