1 Department of Bio-Signal Analysis, Yamaguchi University Graduate School of Medicine, Ube, Japan.
2 Department of Bio-Signal Analysis, Yamaguchi University Graduate School of Medicine, Ube, Japan. yujirit@yamaguchi-u.ac.jp.
3 Department of Hematopoietic Stem Cell and Leukemia Research, Yamaguchi University School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan. yujirit@yamaguchi-u.ac.jp.