1Internal Medicine and Hepatology Unit, PO G. Da Procida—AOU- San Giovanni e Ruggi D’Aragona, University of Salerno, Via Salvatore Calenda 162, CAP: 84126 Salerno, Italy
2Vascular Physiopathology Unit IRCCS, INM Neuromed, Pozzilli, IS Italy
3Hepato-Gastroenterology Division, University of Campania “L. Vanvitelli”, Naples, Italy
4Internal Medicine and Hepatology Department, University of Campania “L. Vanvitelli”, Naples, Italy
5Department of Medicine and Surgery, University of Salerno, Salerno, Italy
© The Author(s). 2017
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