Author Affiliations +
Takashi Kawai,1 Takashi Shibata,1 Keiji Ohta,1 Yoshihiro Yoshihara,2 Tetsuri Inoue,3 Tsuneto Iwasaki4
1Waseda Univ. (Japan)
2Arisawa Manufacturing Co., Ltd. (Japan)
3Kanagawa Institute of Technology (Japan)
4Univ. of Occupational and Environmental Health (Japan)