1. Department of Nature Medicine, Atomic Bomb Disease Institute, Nagasaki University School of Medicine, Nagasaki 852-8523, Japan
2. Department of Surgery II, Atomic Bomb Disease Institute, Nagasaki University School of Medicine, Nagasaki 852-8523, Japan
3. Department of Histology and Cell Biology, Atomic Bomb Disease Institute, Nagasaki University School of Medicine, Nagasaki 852-8523, Japan
4. Department of Molecular Pathology, Atomic Bomb Disease Institute, Nagasaki University School of Medicine, Nagasaki 852-8523, Japan
5. Department of Environmental Physiology, Institute for Tropical Medicine, Nagasaki University, Nagasaki 852-8523, Japan
6. Division of Gene Therapy Science, Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan