1. Peripheral Interventional Unit, San Carlo Clinic, Paderno Dugnano, Milan, Italy
2. Vascular Surgery Unit, University of Parma, Italy
3. Pediatric Cardiology and GUCH Unit, FTGM, Massa, Italy
4. Diabetic Foot Clinic, San Carlo Clinic, Paderno Dugnano, Milan, Italy
5. Vascular Surgery Unit, San Carlo Clinic, Paderno Dugnano, Milan, Italy
6. Division of Vascular and Endovascular Surgery, Baylor College of Medicine, Houston, TX, USA