1. Kumamoto Laboratory, Toxicological Science Division, Medi-Chem Business
Segment, Mitsubishi Chemical Medience Corporation, Kumamoto 869-0425, Japan
2. Laboratory of Comparative Pathology, Graduate School of Veterinary
Medicine, Hokkaido University, Sapporo 060-0818, Japan
3. Kashima Laboratory, Toxicological Science Division, Medi-Chem Business
Segment, Mitsubishi Chemical Medience Corporation, Ibaraki 314-0255, Japan