Abstract
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