1. Department of Cardiology, Kawasaki Medical School
2. Department of Cardiovascular Medicine, Kumamoto University
3. Department of Medical and Health Information Management, National Cerebral and Cardiovascular Center
4. Department of Cardiovascular Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine
5. Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine
6. Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
7. Department of Cardiology, Saga-Ken Medical Centre Koseikan
8. Cardiovascular Center, Fukuoka Sanno Hospital
9. Department of Cardiovascular Medicine, Tokai University School of Medicine