1. Department of Cardiology, Amagasaki Central Hospital
2. Division of Cardiology, Department of Medicine, Nihon University School of Medicine
3. Cardiovascular Division, Osaka Police Hospital
4. Department of Cardiology, Cardiovascular Institute Hospital
5. Advanced Cardiovascular Therapeutics, Osaka University Graduate School of Medicine
6. Department of Cardiology, Ehime Prefectural Imabari Hospital