1. Institut für Radiobiologie der Bundeswehr, München, Germany
2. Department of Immunology and Microbiology, National Defense Medical College, Tokorozawa, Japan
3. NBC Countermeasure Medical Unit, Japan Ground Self Defense Force, Tokyo Japan
4. Department of Pediatrics, National Defense Medical College, Tokorozawa, Japan
5. National Defense Medical College, Tokorozawa, Japan