1. Department of Cardiac Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
2. Department of Cardiovascular Surgery, Ichinomiya Municipal Hospital, Ichinomiya, Japan
3. Department of Diagnostic Radiology, Ichinomiya Municipal Hospital, Ichinomiya, Japan
4. Department of Cardiology, Ichinomiya Municipal Hospital, Ichinomiya, Japan
5. Department of Cardiovascular Surgery, Gunma University Graduate School of Medicine, Meabashi, Japan