Keiko Koyama¹、Daichi Ogura¹、Megumi Kanou¹、Kazuho Saitou¹、Kaoru Maehara¹、Takuji Toyama² (1.Department of Radiology, Gunma Cardiovascular Center, Maebashi, Japan、2.Toyama internal medicine and cardiovascular clinic)

Yoshitaka Kumakura¹、Yuji Shimizu¹、Ken-ichi Ichikawa²、Tetsuya Ohtomo²、Satoru Kawakami³、Yoshihiko Izumida⁴ (1.Diagnostic Radiology and Nuclear Medicine, Saitame Medical Center, Saitame Medical University, Kawagoe, Japan、2.Radiology Center, Saitame Medical Center, Saitame Medical University, Kawagoe, Japan、3.Urology, Saitame Medical Center, Saitame Medical University, Kawagoe, Japan、4.Endocrinology and Diabetes, Saitame Medical Center, Saitame Medical University, Kawagoe, Japan)

Kenji Fukushima¹、Shiro Ishii¹、Katsuyuki Kikori²、Ryo Yamakuni¹、Shigenori Yabe²、Hirofumi Sekino¹、Hiroki Suenaga¹、Osamu Hasegawa¹、Yasuchika Takeishi³、Hiroshi Ito¹ (1.Fukushima medical university、2.Fukushima medical university, Fukushima, Japan、3.Fukushima medical university, Fukushima, Japan)

Akihiro Murata¹、Naoto Kawaguchi¹、Masao Miyagawa¹、Teruhito Kido¹、Takeru Moriya²、Kyohei Onishi²、Hayato Ishimura² (1.Department of Radiology, Ehime University Graduate School of Medicine, Toon, Ehime, Japan、2.Department of Radiology, Ehime University hospital, Toon, Ehime, Japan)

Jun Toyohara¹、Taichi Komoda²、Tetsuro Tago¹、Masahiko Ito²、Hirosho Yoshino² (1.Research Team for Neuroimaging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan、2.R&D Center, Shiratori Pharmaceuticals Co., Ltd., Chiba, Japan)