1. Division of Cardiology, Central Japan International Medical Center
2. Division of Cardiology, Nagoya Heart Center
3. Division of Cardiology, Ogaki Municipal Hospital
4. Division of Vascular surgery, Toyota Memorial Hospital
5. Division of Cardiology, Kyoto University Hospital
6. Division of Cardiology, Shizuoka General Hospital
7. Division of Vascular surgery, Ichinomiya Municipal Hospital
8. Division of Vascular surgery, Aichi Medical University Hospital