1. Department of Otolaryngology-Head and Neck Surgery; Taipei Veterans General Hospital; Taipei Republic of China
2. Institute of Brain Science; National Yang-Ming University School of Medicine; Taipei Republic of China
3. Department of Otolaryngology; Taoyuan Armed Forces General Hospital; Taoyuan Republic of China
4. Department of Otolaryngology; Hsinchu Armed Forces Hospital; Hsinchu Taiwan Republic of China
5. School of Health Care Administration; Taipei Medical University; Taipei Republic of China