1. Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan.
2. Division of Hematology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan.
3. Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan.
4. Institute for Animal Experimentation, Faculty of Medicine, Hokkaido University, Sapporo, Japan.