^○Yoshimachi Fuminobu, Kawamura Yota, Kudo Takeaki, Yamamoto Yoshiya, Nagamatsu Hirofumi (Tokai University Hachioji Hospital Department of Cardiology)

^○Otowa Kanichi, Noguchi Masahiro, Emoto Kenji, Matsuura Shintarou, Mukai Yuusuke, Chikata Akio, Maruyama Michirou, Usuda Kazuo (Toyama Central Hospital Division of Cardiology, Department of Internal Medicine)

^○Nakagawa Yuya, Ozaki Fumitake, Goto Yohei (Hakodate Medical Association Hospital Department of Cardiology)

^○Yamanaga Kenshi¹, Sakamoto Kenji¹, Kajiwara Ichiro², Fuchigami Syunichiro², Fujisue Kouichiro¹, Yamamoto Eiichiro¹, Kaikita Koichi¹, Tsujita Kenichi¹ (1.Graduate of medical science, Kumamoto university Department of Cardiovascular Medicine, 2.Arao Municipal Hospital)

^○Asada Toshiki¹, Nozue Tsuyoshi¹, Oshima Yutaro¹, Iwaki Taku¹, Michishita Ichiro¹, Ikeda Takanori² (1.Yokohama Sakae Kyosai Hospital, Yokohama Division of Cardiology, Department of Internal Medicine, 2.Department of Cardiovascular Medicine, Toho University Faculty of Medicine)