[1] Saga University,Department of Cardiovascular Medicine
[2] Osaka Metropolitan University,Department of Medical Statistics, Graduate School of Medicine
[3] Fukushima Medical University,Department of Diabetes, Endocrinology, and Metabolism
[4] Dokkyo Medical University Saitama Medical Center,Department of Cardiology
[5] Nihon University School of Medicine,Department of Cardiovascular Surgery
[6] Dokkyo Medical University School of Medicine,Department of Cardiovascular Medicine
[7] Juntendo University Graduate School of Medicine,Department of Metabolism & Endocrinology
[8] Kitasato University School of Medicine,Department of Cardiovascular Medicine