1 Department di Translational Medical Science, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy.
2 Hepatology, Gastroenterology and Transplantation Unit, Hospital Papa Giovanni XXIII, Bergamo, Italy.
3 Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana,", University of Salerno, Baronissi (Salerno), Italy.
4 Hepatology, Gastroenterology, Nutrition, Digestive Endoscopy and Liver Transplantation Unit, Bambino Gesù Children's Hospital IRCCS, Rome, Italy.
5 Department di Translational Medical Science, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy. Electronic address: [email protected].