1. Department of Internal Medicine, Soma Central Hospital, Soma, Fukushima Prefecture, Japan
2. Department of Disaster and Comprehensive Medicine, Fukushima Medical University School of Medicine, Fukushima, Fukushima Prefecture, Japan
3. Department of Radiation Health Management, Fukushima Medical University School of Medicine, Fukushima, Fukushima Prefecture, Japan
4. Research Division, Medical Governance Research Institute, Tokyo, Japan
5. Department of Internal Medicine, Navitas Clinic Tachikawa, Tachikawa, Tokyo, Japan