title: Reply.
authors.affiliation: Hepatobiliary Surgery and Liver Transplantation, University of Pisa Medical School Hospital, Pisa, Italy.
authors.forename: Davide
authors.initials: D
authors.lastname: Ghinolfi
authors.affiliation: Hepatobiliary Surgery and Liver Transplantation, University of Pisa Medical School Hospital, Pisa, Italy.
authors.forename: Paolo De
authors.initials: PD
authors.lastname: Simone
authors.affiliation: Hepatobiliary Surgery and Liver Transplantation, University of Pisa Medical School Hospital, Pisa, Italy.
authors.forename: Daniele
authors.initials: D
authors.lastname: Pezzati
authors.affiliation: Hepatobiliary Surgery and Liver Transplantation, University of Pisa Medical School Hospital, Pisa, Italy.
authors.forename: Giulia
authors.initials: G
authors.lastname: Cirillo
authors.affiliation: Hepatobiliary Surgery and Liver Transplantation, University of Pisa Medical School Hospital, Pisa, Italy.
authors.forename: Franco
authors.initials: F
authors.lastname: Filipponi