We thank all the other members of the ITA.LI.CA study group for their assistance with this study. Maurizio Biselli, Paolo Caraceni, Lorenzo Lani, Valentina Santi, Benedetta Stefanini. Division of Semeiotics, Liver and Alcohol-related diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy. Francesca Benevento, Alessandro Granito, Luca Muratori. Division of Internal Medicine, Hepatobiliary and Immunoallergic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy. Federica Bertellini, Giorgio Palano, Filippo Pelizzaro, Barbara Penzo, Elisa Pinto. Department of Surgery, Oncology and Gastroenterology, Gastroenterology Unit, University of Padova, Padova, Italy. Massimo Iavarone, Gloria Allegrini. Division of Gastroenterology and Hepatology, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico and C.R.C. “A.M. & A. Migliavacca Center for Liver Disease”, Milan, Italy. Calogero Cammà, Giuseppe Cabibbo, Paolo Giuffrida, Caterina Stornello, Mauro Grova, Carmelo Marco Giacchetto, Gabriele Rancatore, Maria Vittoria Grassini. Department of Health Promotion, Mother & Child Care, Internal Medicine & Medical Specialties, PROMISE, Gastroenterology & Hepatology Unit, University of Palermo, Palermo, Italy. Fabio Marra, Valentina Adotti, Martina Rosi, Tancredi Li Cavoli.. Department of Experimental and Clinical Medicine, Internal Medicine and Hepatology Unit, University of Firenze, Firenze. Vittoria Bevilacqua, Alberto Borghi, Andrea Casadei Gardini, Fabio Conti, Lucia Napoli, Marco Domenicali, Maria Teresa Migliano. Department of Internal Medicine, Ospedale per gli Infermi di Faenza, Faenza, Italy. Nicoletta de Matthaeis, Francesca Romana Ponziani. Internal Medicine and Gastroenterology, Fondazione Policlinico Universitario Agostino Gemelli, IRCCS, Roma - Università Cattolica del Sacro Cuore, Roma, Italy. Andrea Olivani, Gabriele Missale, Paola Rabatelli, Valeria Dambina. Unit of Infectious Diseases and Hepatology Unit, Azienda Ospedaliero-Universitaria of Parma; Parma, Italy. Valentina Cossiga, Mario Capasso, Filomena Morisco. Department of Clinical Medicine and Surgery, Gastroenterology Unit, University of Napoli “Federico II’’, Napoli, Italy. Rodolfo Sacco, Ester Marina Cela, Antonio Facciorusso. Gastroenterology and Digestive Endoscopy Unit, Foggia University Hospital, Foggia, Italy Valentina Lauria, Giorgia Ghittoni, Giorgio Pelecca. Gastroenterology Unit, Belcolle Hospital, Viterbo, Italy. Fabrizio Chegai, Fabio Coratella, Mariano Ortenzi. Vascular and Interventional Radiology Unit, Belcolle Hospital, Viterbo, Italy. Serena Dell’Isola. Infectious Diseases Unit, Medicina Protetta, Belcolle Hospital, Viterbo, Italy. Maria Stella Franzè, Carlo Saitta. Department of Clinical and Experimental Medicine, Clinical and Molecular Hepatology Unit, University of Messina, Messina, Italy. Assunta Sauchella. Department of Medical, Surgical and Experimental Sciences, Azienda Ospedaliero-Universitaria of Sassari, Sassari, Italy. Elton Dajti, Federico Ravaioli. Gastroenterology Unit, Department of Surgical and Medical Sciences, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy. Filippo Oliveri, Gabriele Ricco, Veronica Romagnoli. Department of Clinical and Experimental Medicine, Hepatology and Liver Physiopathology Laboratory, University Hospital of Pisa, Pisa, Italy. Alessandro Inno, Fabiana Marchetti. Gastroenterology Unit, IRCCS Sacro Cuore Don Calabria Hospital, Negrar, Italy. Pietro Coccoli, Antonio Malerba. Department of Clinical Medicine and Surgery, Hepato- Gastroenterology Unit, University of Napoli “Federico II’’, Napoli, Italy. Alberta Cappelli, Rita Golfieri, Cristina Mosconi, Matteo Renzulli. Radiology Unit Golfieri, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.