Affiliation: | 1. Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-0061, Japan 2. Laboratory Medicine, Department of Infection Control and Clinical, Sapporo Medical University School of Medicine, Sapporo, Japan 5. Division of Laboratory Diagnosis, Sapporo Medical University Hospital, Sapporo, Japan 6. Department of Cardiology, Hokushinkai Megumino Hospital, Eniwa, Japan 3. Department of Cardiovascular Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan 4. Department of Pediatrics, Sapporo Medical University School of Medicine, Sapporo, Japan
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