1 Division of Cardiovascular Surgery, Department of Surgery, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan. kono_takanori@med.kurume-u.ac.jp.
2 Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan. ntahara@med.kurume-u.ac.jp.
3 Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan.
4 Division of Cardiovascular Surgery, Department of Surgery, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan.
5 Department of Radiology, Kurume University School of Medicine, Kurume, Japan.