1 Department of Human, Information and Life Sciences, School of Health Sciences, University of Occupational and Environmental Health, Japan,, Kitakyushu, Fukuoka, Japan. chie-k@health.uoeh-u.ac.jp.
2 Central Research Institute, ITOEN, Ltd, Makinohara, Shizuoka, Japan.
3 Graduate School of Science and Technology, Chitose Institute of Science and Technology, Chitose, Hokkaido, Japan.