1. Department of Radiation Disaster Medicine, Fukushima Medical University School of Medicine, 1-Hikarigaoka, Fukushima, 960-1295, Japan
2. Department of Public Health Nursing for International Radiation Exposure, Fukushima Medical University School of Medicine, 1-Hikarigaoka, Fukushima, 960-1295, Japan
3. Department of Radiation Health Management, Fukushima Medical University School of Medicine, 1-Hikarigaoka, Fukushima, 960-1295, Japan
4. Public Relations and Communications Office, Fukushima Medical University School of Medicine, 1-Hikarigaoka, Fukushima, 960-1295, Japan
5. Department of Human Sciences, Fukushima Medical University School of Medicine, 1-Hikarigaoka, Fukushima, 960-1295, Japan
6. Research Institute for Radiation Biology and Medicine, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, 734-8551, Japan