1 Department of Cardiovascular Medicine, Kyoto Chubu Medical Center, 25, Yagi-Ueno, Yagi-Cho, Nantan City, Kyoto, 629-0197, Japan. wada-n@koto.kpu-m.ac.jp.
2 Department of Cardiovascular Medicine, Kyoto Chubu Medical Center, 25, Yagi-Ueno, Yagi-Cho, Nantan City, Kyoto, 629-0197, Japan.