1. Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine
2. Sakakibara Heart Institute
3. Kyoto Prefectural University of Medicine
4. The Jikei University
5. Kobe City Medical Center General Hospital
6. Division of Functional Diagnostics, Department of Health Sciences, Osaka University Graduate School of Medicine
7. Center for Advanced Biomedical Sciences, Waseda University
8. Department of Biostatistics, Hyogo College of Medicine