Takashi Murakami (MD, PhD)2, Yosuke Takahashi
(MD, PhD)3,
Toshihiko Shibata (MD, PhD)3, Minoru
Yoshiyama (MD, PhD)4
1 Department of Cardiology, Osaka City General
Hospital, Osaka, Japan
2 Department of Cardiovascular Surgery, Osaka City
General Hospital, Osaka, Japan
3 Department of Cardiovascular Surgery, Osaka City
University, Osaka, Japan
4 Department of Cardiology, Osaka City University,
Osaka, Japan
Word count: structured abstract, 240 words; text, authors’
contributions, references and figure legends, 2707 words.