1. Department of Cardiovascular Medicine, Juntendo University School of Medicine
2. Division of General Medicine, Department of Internal Medicine, Hyogo College of Medicine
3. Division of Cardiology, Department of Medicine, Nihon University School of Medicine
4. Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine
5. Department of Cardiology, Tenri Hospital
6. Division of Cardiovascular Medicine, Kanazawa University Graduate School of Medicine
7. Division of Cardiology, Fujita Health University
8. Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine