1. Department of Systemic Medicine, Division of Cardiology, University of Tor Vergata, Rome, Italy
2. Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
3. Mediterranea Cardiocentro, Napoli, Italy
4. Department of Medical, Surgical and Experimental Sciences, Division of Vascular Surgery, University of Sassari, Italy