[1] Tokushima Univ, Dept Oral Mol Pathol, Grad Sch Biomed Sci, Tokushima, Japan
[2] Natl Inst Hlth Sci, Biol Safety Res Ctr, Div Cellular & Mol Toxicol, Kanagawa, Japan
[3] Tokushima Univ, Dept Immunol & Parasitol, Grad Sch Biomed Sci, Tokushima, Japan
[4] Tokushima Univ, Dept Pathol & Lab Med, Grad Sch Biomed Sci, Tokushima, Japan
[5] Japan Org Occupat Hlth & Safety, Japan Bioassay Res Ctr, Kanagawa, Japan