1. Environmental
Biology Section, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai,
Tsukuba, Ibaraki 305-8575, Japan
2. Department
of Biochemistry, Keio University Graduate School of Pharmaceutical Sciences, Tokyo 105-8512, Japan
3. Laboratory
of Pharmacology, Showa Pharmaceutical University, Tokyo 194-8543, Japan
4. Department
of Biological Science, Graduate School of Science, Osaka Prefecture University, Osaka 599-8531, Japan
5. Department
of Environmental Health Sciences and Molecular Toxicology, Tohoku University Graduate School of Medicine, Sendai 980-8575, Japan