1. Department of Cardiology Keio University School of Medicine Tokyo Japan
2. Department of Cardiology International University of Health and Welfare, School of Medicine Chiba Japan
3. School of Data Science Yokohama City University Yokohama Japan
4. Division of Cardiology University of Washington Seattle WA USA
5. Department of Cardiology National Defense Medical College Tokorozawa Japan
6. Department of Cardiology, Cardiovascular Centre St. Luke's International Hospital Tokyo Japan
7. Department of Cardiovascular Medicine Kyorin University School of Medicine Tokyo Japan
8. Department of Cardiology Sakakibara Heart Institute Tokyo Japan