1. Office of Medical Devices, Pharmaceuticals and Medical Devices Agency
2. Office of Safety, Pharmaceuticals and Medical Devices Agency
3. Department of Healthcare Quality Assessment, Graduate School of Medicine, Faculty of Medicine, The University of Tokyo
4. Department of Cardiovascular Surgery, Osaka University Hospital
5. Department of Cardiology, School of Medicine, Keio University
6. Department of Cardiology, Sakakibara Memorial Hospital
7. Department of Cardiovascular Surgery, National Cerebral and Cardiovascular Center
8. Department of Cardiology, National Cerebral and Cardiovascular Center
9. Department of Cardiovascular Surgery, School of Medicine, Toho University Sakura Hospital