1. Department of Cardiovascular Medicine, Graduate School of Medical Sciences, and Center for Metabolic Regulation of Healthy Aging (CMHA), Kumamoto University
2. Division of Cardiology, Japan Community Health care Organization Hitoyoshi Medical Center
3. Division of Cardiology, Miyazaki Prefectural Nobeoka Hospital
4. Division of Cardiology, Kumamoto Central Hospital
5. Division of Cardiology, Japan Labor Health and Welfare Organization Kumamoto Rosai Hospital
6. Division of Cardiology, Japanese Red Cross Kumamoto Hospital
7. Division of Cardiology, Kumamoto Regional Medical Center
8. Division of Cardiology, Health Insurance Kumamoto General Hospital
9. Division of Cardiology, Shin-Beppu Hospital
10. Division of Cardiology, Minamata City General Hospital & Medical Center
11. Department of Cardiology, National Hospital Organization Kumamoto Medical Center
12. Division of Cardiology, Arao Municipal Hospital
13. Division of Cardiology, Saiseikai Kumamoto Hospital Cardiovascular Center
14. Division of Cardiology, Amakusa Medical Center
15. Division of Cardiology, Aso Medical Center
16. Division of Cardiology, Tamana Central Hospital
17. Department of Cardiovascular Medicine, Fukuoka Tokushukai Medical Center
18. National Cerebral and Cardiovascular Center