1. Vascular Surgery, Department of Surgery and Morphological Sciences, Insubria University School of Medicine, Circolo University Teaching Hospital, Via Guicciardini 9, 21100 Varese, Italy
2. Center for Research on Organ Transplantation, Insubria University School of Medicine, Circolo University Teaching Hospital, 21100 Varese, Italy
3. General Surgery 1, Department of Surgery and Morphological Sciences, Insubria University School of Medicine, Circolo University Teaching Hospital, 21100 Varese, Italy