1. Department of Cardiovascular Medicine, Fukushima Medical University School of Medicine
2. Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University
3. Department of Epidemiology, Fukushima Medical University School of Medicine
4. Department of Radiation Physics and Chemistry, Fukushima Medical University School of Medicine
5. Department of Public Health, Fukushima Medical University School of Medicine
6. Research Institute for Radiation Biology and Medicine, Hiroshima University