1. Japan Foundation for Cardiovascular Research
2. Cardiology, Jikei University School of Medicine
3. Cardiovascular Center, Toho University Medical Center Sakura Hospital
4. Cardiology, Chiba-kensei Hospital
5. Cardiology, Toho University Medical Center Ohmori Hospital
6. Cardiovascular Surgery and Pathology, Chiba-kensei Hospital
7. Pathology, Toho University Medical Center Sakura Hospital