1. School of Medicine, National Yang-Ming University, Taipei
2. School of Speech Language Pathology and Audiology, Chung Shan Medical University, Taichung
3. Department of Audiology and Speech-Language Pathology, Asia University, Taichung
4. Department of Otolaryngology-Head and Neck Surgery, Taichung Veterans General Hospital, Taichung
5. Otorhinolaryngology Unit, Humanitas University, Humanitas Clinical and Research Center-IRCCS, Rozzano, Italy, and
6. Speech and Language Therapy Room, Chung Shan Medical University Hospital, Taichung