1. Division of Cardiovascular Medicine, Department of Internal Medicine, Kurume University School of Medicine
2. Department of Cardiology, Kurume University Medical Center
3. Department of Cardiology, Yame General Hospital
4. Shimada Internal Medicine and Cardiovascular Clinic
5. Department of Cardiology, Omuta City Hospital
6. Department of Cardiology, JCHO Kurume General Hospital
7. Department of Cardiology, Oita Prefecture Saiseikai Hita Hospital
8. Department of Cardiology, Chikugo City Hospital
9. Department of Cardiology, JCHO Fukuoka Yutaka Central Hospital
10. Department of Cardiology, Tanushimaru Central Hospital