[1] San Camillo Hosp, Div Gen Surg & Liver Transplantat, Circne Gianicolense 87, I-00151 Rome, Lazio, Italy
[2] Regina Elena Inst Canc Res, Div Hepatobiliary Surg, Rome, Lazio, Italy
[3] Regina Elena Inst Canc Res, Biostat Unit, Rome, Italy
[4] Natl Inst Infect Dis L Spallanzani, Div Radiol, Rome, Italy
[5] Natl Inst Infect Dis L Spallanzani, Intens Care Unit, Rome, Italy
[6] Natl Inst Infect Dis L Spallanzani, Hepatol & Infect Dis Unit, Rome, Italy