1. Department of communication Sciences and Disorders North Carolina Central University Durham North Carolina USA
2. Department of Speech Language Pathology and Audiology Chung Shan Medical University Taichung Taiwan
3. Department of Oral and Maxillofacial Radiology Kyushu Dental University Kitakyushu Japan
4. Institute of Medicine Chung Shan Medical University Taichung Taiwan
5. Department of Family and Community Medicine Chung Shan Medical University Hospital Taichung Taiwan
6. Speech and Language Therapy Room Chung Shan Medical University Hospital Taichung Taiwan