1 Department of Radiation Health Management, Fukushima Medical University School of Medicine, Fukushima City, Fukushima, Japan.
2 Department of Radiation Health Management, Fukushima Medical University School of Medicine, Fukushima City, Fukushima, Japan; Medical Governance Research Institute, Tokyo, Japan.
3 Soma Medical Association, Soma City, Fukushima, Japan.
4 Department of Radiation Health Management, Fukushima Medical University School of Medicine, Fukushima City, Fukushima, Japan; Medical Center of COVID-19 Vaccination, Soma City, Fukushima, Japan. Electronic address: [email protected].
5 Medical Center of COVID-19 Vaccination, Soma City, Fukushima, Japan; The Tokyo Foundation for Policy Research, Tokyo, Japan.