1. Faculty of Medicine, Institute of Brain Science National Yang‐Ming Chiao‐Tung University Taipei Taiwan
2. Department of Otolaryngology Cheng Hsin General Hospital Taipei Taiwan
3. Department of Medical Research, China Medical University Hospital China Medical University Taichung Taiwan
4. Department of Speech Language Pathology and Audiology, College of Health Technology National Taipei University of Nursing and Health Sciences Taipei Taiwan
5. Department of Otolaryngology, China Medical University Hospital China Medical University Taichung Taiwan
6. Department of Otolaryngology – Head and Neck Surgery Virginia Commonwealth University School of Medicine Richmond Virginia U.S.A.