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Kiyofumi Morishita
Department of Cardiovascular Surgery, Hakodate Municipal Hospital
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Kousuke Ujihira
Department of Cardiovascular Surgery, Hakodate Municipal Hospital
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Mayuko Uehara
Department of Cardiovascular Surgery, Hakodate Municipal Hospital
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Yousuke Kuroda
Department of Cardiovascular Surgery, Hakodate Municipal Hospital
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Shunsuke Ohori
Department of Cardiovascular Surgery, Hakodate Municipal Hospital
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Toshio Baba
Department of Cardiovascular Surgery, Hakodate Municipal Hospital
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Touru Mawatari
Department of Cardiovascular Surgery, Hakodate Municipal Hospital
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Author contributions
These authors contributed equally: Kiyofumi Morishita, Kousuke Ujihira, Mayuko Uehara, Yousuke Kuroda, Shunsuke Ohori, Toshio Baba, Touru Mawatari