[1] Univ Pisa, Dept Oncol Transplantat & New Technol, Gen Surg, Via Paradisa 2, I-56124 Pisa, Italy
[2] Univ Pisa, Dept Surg & Surg Pathol, I-56124 Pisa, Italy
[3] Pisa Univ Hosp, Div Psychiat, Pisa, Italy
[4] Univ Pisa, EndoCAS Ctr Comp Assisted Surg, I-56124 Pisa, Italy