T Taniguchi1, T Nakamura2, T Sawada2. 1. From the Department of Cardiovascular Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-Cho, Kamigyo-Ku, Kyoto 602-8566, Japan takuya-t@koto.kpu-m.ac.jp. 2. From the Department of Cardiovascular Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-Cho, Kamigyo-Ku, Kyoto 602-8566, Japan.