[1] Univ Modena & Reggio Emilia, Dept Gastroenterol, Via Pozzo 71, I-41124 Modena, Italy
[2] Azienda Osped Univ Modena, Via Pozzo 71, I-41124 Modena, Italy
[3] Univ Modena & Reggio Emilia, PhD Program Clin & Expt Med, Modena, Italy
[4] CHU Paris Nord Val de Seine, Hop Beaujon, Serv Hematol Biol, Clichy, France
[5] CHU Paris Nord Val de Seine, Hop Beaujon, Serv Hepatol, Clichy, France