1. Medical Governance Research Institute, Minato-ku, Tokyo, Japan
2. Teikyo University School of Medicine, Itabahi-ku, Tokyo, Japan
3. Department of Surgery, Jyoban Hospital of Tokiwa Foundation, Iwaki, Fukushima, Japan
4. Department of Radiation Health Management, Fukushima Medical University School of Medicine, Fukushima, Fukushima, Japan
5. Research Center for Community Medicine, Minamisoma Municipal General Hospital, Minamisoma, Fukushima, Japan
6. Department of Breast Surgery, Jyoban Hospital of Tokiwa Foundation, Iwaki, Fukushima, Japan
7. Department of Internal Medicine, Soma Central Hospital, Soma, Fukushima, Japan
8. Department of Gastroenterology, Sendai Kousei Hospital, Sendai, Miyagi, Japan
9. Southern Tohoku Research Institute for Neuroscience, Yatsuyamada, Koriyama, Fukushima, Japan
10. Fukushima Red Cross Hospital, Fukushima, Fukushima, Japan