1. Department of Otolaryngology, Wan Fang Hospital, Taipei Medical University, Taipei 110, Taiwan
2. Department of Otolaryngology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
3. International Master/Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
4. Department of Otolaryngology, Taipei Medical University Hospital, Taipei 110, Taiwan
5. Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
6. Department of Otolaryngology, Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City 70000, Vietnam