1. Laboratory of Animal Experiment for Disease Model, Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan
2. Sankyo Labo Service Corporation, Tokyo 132-0023, Japan
3. Gene Techno Science, Sapporo 062-8517, Japan
4. Division of Molecular Immunology, Research Section of Molecular Pathogenesis, Institute for Genetic Medicine, Hokkaido University, Sapporo 060-0815, Japan