1. Vascular & Endovascular Surgery Unit, Department of Surgery Paride Stefanini, Policlinico Umberto I of Rome, Sapienza University of Rome, Rome, Italy
2. Department of Vascular Surgery, Ospedale Civile Sant’Agostino-Estense, Azienda Ospedaliero-Universitaria di Modena, University of Modena & Reggio Emilia, Modena, Italy
3. Vascular Surgery Unit, Department of Surgery Pietro Valdoni, Policlinico Umberto I of Rome, Sapienza University of Rome, Rome, Italy