1. Angiology and Vascular Surgery Center, San Valentino, Pescara, Italy, ARS Medica Clinic, Rome, Italy
2. Angiology and Vascular Surgery Center, San Valentino, Pescara, Italy, Irvine Cardiovascular Laboratory for Investigation and Research, Academy Surgical Unit, St. Mary's Hospital Medical School, London, United Kingdom
3. Irvine Cardiovascular Laboratory for Investigation and Research, Academy Surgical Unit, St. Mary's Hospital Medical School, London, United Kingdom
4. Angiology and Vascular Surgery Center, San Valentino, Pescara, Italy