1. Institute of Neuroscience, National Cheng-Chi University, Taipei 116, Taiwan
2. Department of Psychology, Chung Shan Medical University, Taichung 402, Taiwan
3. Department of Speech Language Pathology and Audiology, Chung Shan Medical University, Taichung 402, Taiwan
4. Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan 333, Taiwan
5. Research Center for Mind, Brain and Learning, National Cheng-Chi University, Taipei 116, Taiwan