1. Vascular Surgery—Department of Medicine and Surgery, University of Insubria , Varese, Italy
2. Department of Vascular Surgery, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico , Milan, Italy
3. Department of Vascular Surgery, University Medical Center Utrecht , Utrecht, Netherlands
4. Department of Cardio-thoracic Surgery, Radboud University Medical Center , Nijmegen, Netherlands
5. Department of Vascular Surgery and Clinical and Community Sciences Department of the University of Milan School of Medicine at the Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan , Italy