1 Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Japan. Electronic address: shizuta@kuhp.kyoto-u.ac.jp.
2 Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Japan; Department of Cardiology, Mitsubishi Kyoto Hospital, Japan.
3 Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Japan.