[1] Fdn Italiana Fegato ONLUS, Liver Res Ctr, I-34013 Trieste, Italy
[2] Univ Milan, Int Ctr Assessment Nutr Status, I-20126 Milan, Italy
[3] IRCCS, Bambino Gesu Childrens Hosp, Liver Res Unit, I-00149 Rome, Italy
[4] Univ Trieste, Dept Med Sci, I-34013 Trieste, Italy