1. Division of Vascular Surgery, Department of Surgery, Nagoya University School of Medicine
2. Department of Diabetes Care Medicine, and Department of Metabolic Medicine, Osaka University Graduate School of Medicine
3. Cardiovascular Center, Kansai Rosai Hospital
4. Department of Cardiology, Kokura Memorial Hospital
5. Department of Plastic Surgery, Kobe University Graduate School of Medicine
6. Cardiovascular Center, Morinomiya Hospital
7. Nayoro City General Hospital
8. Department of Vascular Surgery, Saiseikai Yahata General Hospital
9. Department of Vascular Surgery, Asahikawa Medical University