SHIMURA Hiroki^{1, 2} (1.Department of Laboratory Medicine, Fukushima Medical University, 2.Radiation Medical Science Center, Fukushima Medical University)

SUZUKI Satoru (Radiation Medical Science Center for the Fukushima Health Management Survey)

MINAMITANI Kanshi (Pediatrics, Teikyo University Chiba Medical Center)

IWADATE Manabu, MATSUMOTO Yoshiko, OHKOUCHI Chiyo, SUZUKI Satoshi, MIZUNUMA Hiroshi, NAKANO Keiichi, NAKAMURA Izumi, FUKUSHIMA Toshihiko, SUZUKI Shinichi (Departmrnt of Thyroid and Endocrinology, Fukushima Medical University)

MURAKAMI Tsukasa, HIGAKI Naoyuki, NISHIJIMA Yui (Department of Endocrinology, Noguchi Thyroid Clinic and Hospital Foundation)