1. Department of Cardiac Surgery, Jikei University School of Medicine, Tokyo, Japan
2. Japan Synchrotron Radiation Research Institute (SPring-8), Sayo-gun, Hyogo, Japan
3. Division of Cardiovascular Surgery, Japanese Red Cross Kobe Hospital, Kobe, Japan
4. Division of Cardiovascular Surgery, National Medical Center for Children and Mothers, Tokyo, Japan
5. Department of Cardiovascular Surgery, Kobe Children’s Hospital, Kobe, Japan
6. Division of Thoracic and Cardiovascular Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
7. Division of Pathology, National Cerebral and Cardiovascular Center Hospital, Osaka, Japan