1Department of Surgery, Division of Cardiothoracic Surgery, New York, USA
2Department of Anesthesiology, Columbia University Medical Center, New York, USA
3Department of Anesthesiology, Yodogawa Christian Hospital, NY, USA
4Department of Cardiovascular Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan
Address for correspondence: Dr. Koichi Akiyama, Department of Surgery, Division of Cardiothoracic Surgery, Columbia University Medical Center, 177 Fort Washington Avenue, New York - 10032, NY, USA. E-mail: [email protected]
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