Institute of Genomics and Bioinformatics, National Chung Hsing University 250, Kuo Kuang Rd., Taichung 402, Taiwan.|Institute of Genomics and Bioinformatics, National Chung Hsing University 250, Kuo Kuang Rd., Taichung 402, Taiwan.|Institute of Genomics and Bioinformatics, National Chung Hsing University 250, Kuo Kuang Rd., Taichung 402, Taiwan.