[1] Andrea Tortona Hosp, Gen & Oncol Surg Serv, Pagani, Salerno, Italy
[2] Univ Milan, Via F Sforza 35, I-20122 Milan, Italy
[3] Univ Sacred Heart Rome, IRCCS A Gemelli Univ Polyclin Fdn, Rome, Italy
[4] Univ Naples Federico II, Dept Publ Hlth, Vasc Surg Unit, Naples, Italy
[5] IRCCS Ist Auxol Italiano, Vasc Surg Serv, Milan, Italy