[1] Univ Policlin Modena, Azienda Osped, Liver & Multivisceral Transplantat Ctr, Modena, Italy
[2] Univ Cattolica Sacro Cuore, Rome, Italy
[3] Osped Niguarda Ca Granda, Milan, Italy
[4] Univ Padua, Sch Med, Padua, Italy
[5] Univ Hosp Bari, Bari, Italy
[6] St Orsola Malpighi Hosp, Bologna, Italy
[7] Univ Roma Tor Vergata, Rome, Italy
[8] Univ Udine, I-33100 Udine, Italy
[9] San Camillo Spallanzani Hosp, Rome, Italy
[10] Univ Roma La Sapienza, Rome, Italy
[11] Osped Riuniti Bergamo, I-24100 Bergamo, Italy