1 Department of Cardiovascular Medicine, Kyoto Chubu Medical Center, 25, Yagi-Ueno, Yagi-Cho, Nantan City, Kyoto, 629-0197, Japan. t2ya821@yahoo.co.jp.
2 Department of Cardiovascular Medicine, Kyoto Chubu Medical Center, 25, Yagi-Ueno, Yagi-Cho, Nantan City, Kyoto, 629-0197, Japan.