^○Yosuke Takei, Sone Hiromoro, Tashiro Kazuma, Sasai Masahiro, Mori Hiroyoshi, Sato Tokutada, Suzuki Hiroshi (Showa University Fujigaoka Hospital Division of Cardiology, Department of Internal Medicine)

^○Takahata Masahiro, Ino Yasushi, Kubo Takashi, Wada Teruaki, Kuroi Akio, Kashiwagi Manabu, Shimamura Kunihiro, Shiono Yasutsugu, Matsuo Yoshiki, Hozumi Takeshi, Tanaka Atsushi, Akasaka Takashi (Wakayama Medical University Department of Cardiovascular Medicine)

^○Sakuma Masashi, Nishino Setu, Nasuno Takahisa, tokura Michiaki, Hirose Suguru, Kitahara Keijirou, Yazawa Hiroko, Yonezawa Yutaka, kanaya Tomoaki, Abe Shichiro, Inoue Teruo (Dokkyo Medical University Department of Cardiovascular Medicine)

^○Tatsuo Kikuchi^1,2, Terashita Daisuke³, Ohtake Hiromasa³, Shinke Toshiro¹¹, Suzuki Takahide⁴, Itoh Yoshiaki⁵, Kuriyama Nehiro⁶, Hayashi Takatoshi⁷, Hibi Kiyoshi⁸, Tanaka Hiroyuki⁹, Itoh Tomonori¹⁰, Morino Yoshihiro¹⁰ (1.Shin-Oyama city Hospital Department of Cardiology, 2.Edogawa Hospital, 3.Kobe University Graduate School of Medicine, 4.Engaru Kosei Hospital, 5.Saiseikai Yokohamashi Tobu Hospital, 6.Miyazaki Medical Association Hospital, Cardiovascular Center, 7.Hyogo Prefectural AWAJI Medical Center, 8.Division of cardiology, Yokohama City University Medical center, 9.TOKYO METROPOLITAN TAMA MEDICAL CENTER, 10.Iwate Medical University, 11.Division of Cardiovascular Medicine, Department of Internal Medicine, Showa University School of Medicine)