[1] Magna Graecia Univ Catanzaro, Dept Hlth Sci, Catanzaro, Italy
[2] Univ Modena & Reggio Emilia, Dept Diagnost Clin & Publ Hlth, Modena, Italy
[3] Alma Mater Studiorum Univ Bologna, Clin Dietet, Bologna, Italy
[4] Univ Turin, Div Gastrohepatol, Turin, Italy
[5] Azienda USL Modena, Ctr Studi Fegato, Carpi, Italy