1. Department of Neurology, Jen-Ai Hospital, Taichung 412, Taiwan
2. Department of Neurosurgery, Changhua Christian Hospital, Changhua 500, Taiwan
3. Department
of Life Sciences and Institute of Genomics and Bioinformatics, National Chung Hsing University, Taichung 402, Taiwan
4. Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan