1. Vascular Surgery and Organ Transplant Unit, University Hospital of Catania, Italy
2. Department of Surgery “Pietro Valdoni,” “Sapienza” University, Rome, Italy
3. Research Institute for Sport, Physical Activity and Leisure, Carnegie Faculty, Leeds Beckett University, Leeds, UK
4. Vascular Surgery Unit, Department of Biomedicine and Prevention, University of Rome “Tor Vergata,” Rome, Italy
5. Department of Vascular Surgery, San Filippo Neri Hospital, Rome, Italy
6. Division of Vascular Surgery, Azienda Ospedaliera S. Camillo Forlanini, Rome, Italy