抄録
The correct authors' affiliation of Kazuo Komamura, Shiro Kamakura, Masafumi Kitakaze and Hitonobu Tomoike is the Division of Cardiology, National Cardiovascular Center, Osaka, Japan
We apologize for this error.
Wrong:Division of Cardiology, Okayama University, Okayama, Japan
Right:Division of Cardiology, National Cardiovascular Center, Osaka, Japan