1. Division of Cardiology, Yokohama City University Medical Center
2. Advanced Critical Care and Emergency Center, Yokohama City University Medical Center
3. Department of Cardiovascular Medicine, Kumamoto University Hospital
4. Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine
5. Department of Cardiology, Kanagawa Cardiovascular and Respiratory Center
6. Division of Cardiology, Fujisawa City Hospital
7. Division of Cardiology, International Goodwill Hospital
8. Division of Cardiology, Chigasaki Municipal Hospital
9. Division of Cardiology, Yokosuka City Hospital
10. Division of Cardiology, National Hospital Organization Sagamihara National Hospital
11. Division of Cardiology, Hadano Red Cross Hospital