1. Department of Vascular Surgery, Saiseikai General Hospital
2. Department of Vascular Surgery, Kokura Memorial Hospital
3. Department of Vascular Surgery, Kyushu Medical Center
4. Department of Vascular Surgery, Fukuoka East Medical Center
5. Department of Vascular Surgery, Nagoya University Graduate School of Medicine
6. Hidaka Clinic
7. Masaki Clinic
8. Department of Vascular Surgery, Fukuoka City Hospital
9. Department of Vascular Surgery, Matsuyama Red Cross Hospital
10. Department of Surgery, Fukuoka Memorial Hospital