1. Department of Cardiology, Kokura Memorial Hospital
2. Department of Vascular Surgery, Seitetsu Memorial Yahata Hospital
3. Department of Vascular Surgery, Kokura Memorial Hospital
4. Department of Surgery, Matsuyama Red Cross Hospital
5. Department of Cardiology, Nagoya Kyoritsu Hospital
6. Department of Cardiology, Shin-Koga Hospital
7. Department of Cardiology, Oita Oka Hospital