Hiroshi Ando
(Kasukabe Chuo General Hospital)

Keisuke Hirano
(Saiseikai Yokohama-City Eastern Hospital)

Takuyuki Komoda
(Gifu Heart Center)

Yusuke Miyashita
(Shinshu University/Nagano Red Cross Hospital)

Shigeru Nakamura
(Kyoto Katsura Hospital)

Kazushi Urasawa
(Tokeidai Memorial Hospital)

Hiroyoshi Yokoi
(Fukuoka Sanno Hospital)