[1] Sapporo Medical University Hospital,Division of Laboratory Medicine
[2] Teine Keijinkai Hospital,Department of Cardiology
[3] Sapporo Medical University School of Medicine,Department of Infection Control and Laboratory Medicine
[4] Sapporo Medical University School of Medicine,Department of Respiratory Medicine and Allergology
[5] Sapporo Medical University School of Medicine,Department of Cardiovascular, Renal and Metabolic Medicine
[6] Sapporo Medical University School of Medicine,Department of Public Health