[1] IRCCS Casa Sollievo Sofferenza, Liver Unit, San Giovanni Rotondo, Italy
[2] Hosp SS Annunziata, Microcitemia Ctr, Taranto, Italy
[3] IRCCS Casa Sollievo Sofferenza, Dept Pediat, San Giovanni Rotondo, Italy
[4] IRCCS Casa Sollievo Sofferenza, Div Gastroenterol, San Giovanni Rotondo, Italy
[5] IRCCS Casa Sollievo Sofferenza, Microcitemia Ctr, San Giovanni Rotondo, Italy