1. Department of Immunology, National Institute of Infectious Diseases
2. Department of Hematology, (Internal Medicine), The University of Tokyo
3. National Institution for Academic Degrees and University Evaluation
4. New Product Research Laboratories III, Tokyo R&D Center, Daiichi Pharmaceutical Co., Ltd.
5. Bioresource Center, RIKEN
6. Department of Veterinary Science, National Institute of Infectious Diseases