1. Department of Pathology National Cerebral and Cardiovascular Center Osaka Japan
2. Department of Legal Medicine Showa University School of Medicine Tokyo Japan
3. Division of Pathology Hokusetsu General Hospital Osaka Japan
4. Department of Radiology National Cerebral and Cardiovascular Center Osaka Japan
5. Department of Transplant Medicine National Cerebral and Cardiovascular Center Osaka Japan
6. Senri Kinran University Osaka Japan
7. Department of Cardiovascular Surgery National Cerebral and Cardiovascular Center Osaka Japan
8. Department of Cardiovascular Surgery Tokyo Medical and Dental University Tokyo Japan