1. Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University
2. Division of Cardiology, Tenri Hospital
3. Division of Cardiology, Hyogo Prefectural Amagasaki Hospital
4. Center for Medical Education and Clinical Epidemiology Unit, Graduate School of Medicine, Kyoto University
5. Division of Cardiology, Kyoto Medical Center, National Hospital Organization
6. Division of Cardiology, Kobe City Medical Center General Hospital