1. Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
2. Department of Cardiovascular Medicine, School of Medicine, Kitasato University, Kanagawa, Japan
3. Department of Cardiology, Osaka Police Hospital, Osaka, Japan
4. Second Department of Internal Medicine, University of Toyama, Toyama, Japan
5. Department of Cardiovascular Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
6. Department of Cardiac Surgery, Graduate School of Medicine, University of Tokyo, Japan
7. Department of Cardiovascular and Thoracic Surgery, Graduate School of Medicine, Ehime University, Ehime, Japan
8. Department of Cardiology, Kawaguchi Cardiovascular and Respiratory Hospital, Saitama, Japan
9. Division of Cardiology, National Center for Child Health and Development, Tokyo, Japan
10. Department of Cardiology, Sakakibara Heart Institute, Tokyo, Japan
11. Department of Pediatric Cardiology, Nagano Children’s Hospital, Nagano, Japan
12. Department of Cardiovascular Surgery, Kyushu University Graduate School of Medicine, Fukuoka, Japan.