1. Department of Molecular Cell Biology, Research Institute for Microbial Disease, Osaka University, Osaka 565-0871, Japan
2. Department of Biochemistry, Akita University School of Medicine, Akita 010-8543, Japan
3. Advanced Medical Discovery Institute and Department of Medical Biophysics, University of Toronto, Toronto, Ontario M5G 2C1, Canada
4. Department of Host Defense, Research Institute for Microbial Disease, Osaka University, Osaka 565-0871, Japan
5. RIKEN Research Center for Allergy and Immunology, Kanagawa 230-0045, Japan
6. Department of Immunology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
7. Molecular Immunology Program, Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, GA 30912
8. Department of Pharmacology, Tokyo Metropolitan Institute of Medical Science, Tokyo 113-8613, Japan