1. Integrated Center for Science and Humanities, Fukushima Medical University, Fukushima City, Japan
2. Department of Radiation Biology, Institute of Radiation Emergency Medicine, Hirosaki University, Hirosaki, Japan
3. Department of Bioscience and Laboratory Medicine, Hirosaki University Graduate School of Health Sciences, Hirosaki, Japan
4. Department of Radiation Biology, Tohoku University School of Medicine, Sendai, Japan
5. Faculty of Pharmaceutical Sciences, Hokkaido University of Science, Sapporo, Japan
6. Tohoku University Hospital, Tohoku University, Sendai, Japan
7. Graduate School of Dentistry, Tohoku University, Sendai, Japan
8. Graduate School of Science and Technology, Niigata University, Nishiku, Japan
9. Department of Biology, McMaster University, Hamilton, Canada