1. Department of Cardiovascular Surgery, Osaka University Hospital
2. The University of Tokyo
3. Department of Transplantation, National Cardiovascular Research Center
4. Department of Cardiovascular Surgery, Kyushu University
5. Department of Cardiovascular Surgery, Tohoku University
6. Department of Cardiovascular Surgery, Nagoya University Hospital
7. Department of Cardiovascular Surgery, Hokkaido University
8. Department of Cardiovascular Surgery, Tokyo Women’s Medical University
9. Department of Cardiovascular Surgery, Chiba University
10. Department of Cardiovascular Surgery, Tokyo Medical and Dental University