1. National Cerebral and Cardiovascular Center
2. Department of Cardiovascular Medicine, Nara Medical University
3. Department of Cardiovascular Medicine, Miyazaki Prefectural Nobeoka Hospital
4. Division of Cardiology, Yokohama City University Medical Center
5. Division of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University Hospital
6. Department of Health Informatics, Kyoto University School of Public Health
7. Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University
8. Department of Cardiovascular Medicine, Tohoku University Hospital, Tohoku University Graduate School of Medicine