Naoyuki Watanabe¹ (1.Research Planning Section, Gunma Prefectural Institute of Public Health and Environmental Sciences, Gunma, Japan, 2.Maebashi-City Health Centre, Maebashi, Japan, 3.Department of Health and Well Fare, Gunma Prefectural Office, Gunma, Japan)

Makoto Hosono¹, Noboru Oriuchi², Naoyuki Ukon², Kotaro Nagatsu³, Tetsuo Ito⁴, Hirokuni Yamanishi⁴, Toshiro Matsuda⁴, Takahiro Yamada⁴, Akiko Hachisuka⁵, Yoshihide Nakamura⁶ (1.Institute of Advanced Clinical Science, Kindai University Faculty of Medicine, 2.Fukushima Medical University, Fukushima, Japan, 3.National Institute of Radiological Sciences, 4.Kindai University Atomic Energy Research Institute, 5.National Institute of Health Sciences, 6.Japan Radioisotope Association)

Hitoshi Kubo^1,2, Naoyuki Ukon², Saki Shimoyama², Songji Zhao², Hiroshi Ito^2,3, Kazuhiro Takahashi², Miho Aoki², Kohshin Washiyama², Kenichi Nishijima², Shigenori Sasaki⁴, Shoji Yabuki¹ (1.Preparing Section for New Faculty of Medical Science, Fukushima Medical University, Fukushima, Japan, 2.Advanced Clinical Research Center, Fukushima Medical University, Fukushima, Japan, 3.Department of Radiology, Fukushima Medical University, Fukushima, Japan, 4.SHI Accelerator Service Ltd., Tokyo, Japan)

Hitoshi Kubo^1,2, Saki Shimoyama², Naoyuki Ukon², Songji Zhao², Hiroshi Ito^2,3, Kazuhiro Takahashi², Miho Aoki², Koshin Washiyama², Kenichi Nishijima², Shigenori Sasaki², Shoji Yabuki¹ (1.Preparing Section for New Faculty of Medical Science, Fukushima Medical University, Fukushima, Japan, 2.Advanced Clinical Research Center, Fukushima Medical University, Fukushima, Japan, 3.Department of Radiology, Fukushima Medical University, Fukushima, Japan, 4.SHI Accelerator Service Ltd., Tokyo, Japan)

Kei Wagatsuma¹, Masayuki Kunugi¹, Keiichi Oda^1,2, Kenta Miwa³, Jun Toyohara¹, Kenji Ishii¹ (1.Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan, 2.Hokkaido University of Science, Sapporo, Japan, 3.International University of Health and Welfare, Ohtawara, Japan)

Genki Horitsugi¹, Kazuya Yamaguchi², Hiroshi Matsumura³, Go Yoshida³, Akihiro Toyoda³, Daisuke Kinoshita⁴, Sadahiro Naka¹, Mitsuaki Tatsumi², Kazuyoshi Masumoto³, Jun Hatazawa¹ (1.Department of Nuclear Medicine and Tracer Kinetics, Osaka University Graduate School of Medicine, Suita, Japan, 2.Department of Radiology, Osaka University Hospital, Suita, Japan, 3.Radiation Science Center, High Energy Accelerator Research Organization, Tsukuba, Japan, 4.SHI Accelerator Service Ltd., Tokyo, Japan)

Koichi Okuda¹, Naoto Watanabe², Mitsumasa Hashimoto¹, Mariko Doai², Yasuyuki Kawai³, Tomoko Takahashi², Tomohiro Arikawa⁴, Kazumasa Ooiso², Yumi Sunatani⁵, Kuniyoshi Iwabuchi⁵, Koji Kajinami³ (1.Department of Physics, Kanazawa Medical University, Ishikawa, Japan, 2.Department of Radiology, Kanazawa Medical University, Ishikawa, Japan, 3.Department of Cardiology, Kanazawa Medical University, Ishikawa, Japan, 4.Department of Biology, Kanazawa Medical University, Ishikawa, Japan, 5.Department of Biochemistry I, Kanazawa Medical University, Ishikawa, Japan)