Department of Bioinformatics, College of Life Sciences, Ritsumeikan University, Shiga, Kusatsu 525-8577, Japan.|Department of Bioinformatics, College of Life Sciences, Ritsumeikan University, Shiga, Kusatsu 525-8577, Japan.|Department of Bioinformatics, College of Life Sciences, Ritsumeikan University, Shiga, Kusatsu 525-8577, Japan.