^○Nakamura Jun¹, Watanabe Kazunori¹, Abe Makoto¹, Watanabe Akinori¹, Obata Jun-ei², Kugiyama Kiyotaka² (1.Fujieda Municipal General Hospital Cardiovascular Medicine, 2.University of Yamanashi, Department of Internal Medicine II)

^○Noike Ryota, Aikawa Hiroto, Matsumoto Shingo, Yabe Takayuki, Okubo Ryo, Amano Hideo, Toda Mikito (Toho University Faculty of Medicine Department of Cardiovascular Medicine)

^○Tawa Hideto, Yoshikawa Ryohei, Wakayama Katunori, Okamoto Masanobu, Ito Taturou, Kasiwagi Daiji, Yasuda Naoya, Nisihara Yu (Sanda City Hospital Department of Cardiology)

^○Masahiro Tsuji, Hayashi Kazuna, Nishihara Takahiro, Naito Takanori, Shigetosi Masataka, Tabuchi Isao, Shimokawahara Hiroto, Munemasa Mitsuru, Matsubara Hiromi (Okayama medical center Depertment of cardiology)

^○Hayashi Kazuna, Tabuchi Isao, Tsuji Masahiro, Nishihara Takahiro, Naito Takanori, Shigetoshi Masataka, Ogawa Aiko, Shimokawahara Hiroto, Munemasa Mitsuru, Matsubara Hiromi (OKAYAMA Medical Center Department of Cardiovascular medicine)

^○Hotta Daisuke¹, Kayanuma Keigo¹, Sunaga Daisuke¹, Funayama Naohiro¹, Ohori Katsuhiko¹, Yamamto Tadashi¹, Kashiwagi Yusuke¹, Konishi Takao² (1.Hokkaido Cardivascular Hospital cardiology internal medicine, 2.Hokkaido college hospital,cardiology internal medicine)

^○Kasano Kensuke, Utsugi Yuya, Sudo Yuta, Koura Kenji, Nakashma Emiko, Onishi Kentaro, Okada Hiroyuki, Toshida Nobuo, Inagaki Hiroshi (Soka Municipal Hospital Department of Cardiology)