Shunichi Kondo
(Iwaki City General Iwaki Kyoritsu Hospital)

Yasuhide Okawa
(Toyohashi Heart Center)

Kazuma Okamoto
(Keio University School of Medicine)

Taichi Sakaguchi
(The Sakakibara Heart Institute of Okayama)

Minoru Tabata
(Tokyo Bay Urayasu/ Ichikawa Medical Center)

Hiroyuki Tsukui
(Tokyo Women's Medical University)

Masashi Komeda
(Kansai Heart Center)

Akihiro Nabuchi
(Tokyo Heart Center)

Hitoshi Yaku
(Kyoto Prefectural University of Medicine)