HPB and Transplant Unit;
Department of Surgery;
University of Rome Tor Vergata;
Rome 00133;
Italy;
Division of Abdominal Transplantation and HPB Surgery;
Bambino Gesù Children's Hospital IRCCS;
Rome 00165;
Italy;
Wake Forest Institute for Regenerative Medicine;
Winston-Salem;
NC 27101;
United States;
Hepatology and Liver Transplant Unit;
University of Tor Vergata;
Rome 00133;
Italy;
Pediatric; liver; transplant; Immunosuppression; weaning; Clinical; operational; tolerance; Adult; liver; transplant; Graft; rejection; Immune; system; De; novo; malignancies; Immunosuppression; minimization; Cancer;