1 Department of Breast and Thyroid Surgery, Jyoban Hospital of Tokiwa Foundation, Iwaki City, Fukushima, Japan

2 Department of Thyroid and Endocrinology, Fukushima Medical University, Fukushima City, Fukushima, Japan

3 Center for Infectious Disease Education and Research, Osaka University, Suita City, Osaka, Japan

4 Department of Internal Medicine, Navitas Clinic Kawasaki, Kawasaki City, Kanagawa, Japan

5 Department of Internal Medicine, Jyoban Hospital of Tokiwa Fondation, Iwaki City, Fukushima, Japan

6 Department of Radiation Health Management, Fukushima Medical University, Fukushima City, Fukushima, Japan