Affiliation: | 1. Department of Cardiovascular Surgery, Shinshu University School of Medicine, Nagano, Japan 2. Course of Medical Sciences, Subdivision of Oncology, Division of Biosystem Medicine, Department of General Surgical Science, Gunma University Graduate School of Medicine, Gunma, Japan 3. Faculty of Medicine, Department of General Thoracic Surgery, Kagawa University, Kagawa, Japan
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