Abstract
1 Department of Bioresource Science, Ibaraki University College of Agriculture, Ami-machi, Ibaraki 300-0393, Japan
2 Attic Laboratory, Aoba-ku, Sendai 980-0813, Japan
3 Graduate School of Life Science, Tohoku University, Aoba-ku, Sendai 980-8577, Japan
4 Faculty of Agriculture, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan
5 Department of Nursing, Yamagata University School of Medicine, Yamagata, Japan
6 Department of Anatomy, Yamagata University School of Medicine, Yamagata, Japan