1. Department of Disability and Health, Division of Health Sciences, Hirosaki University Graduate School of Health Sciences, Aomori 036‑8564, Japan
2. Department of Radiological Life Sciences, Division of Medical Life Sciences, Hirosaki University Graduate School of Health Sciences, Aomori 036‑8564, Japan
3. Department of Nursing Science, Hirosaki University Graduate School of Health Sciences, Aomori 036‑8564, Japan
4. Institute of Radiation Emergency Medicine, Hirosaki University, Aomori 036‑8564, Japan