1. Department of Anesthesiology Azienda Socio Sanitaria Territoriale Grande Ospedale Metropolitano Niguarda MilanItaly
2. Division of General Surgery and Transplantation Department of Transplantation Azienda Socio Sanitaria Territoriale Grande Ospedale Metropolitano Niguarda Milan Italy
3. Division of Immunohaematology and Transfusion Medicine, Azienda Socio Sanitaria Territoriale Grande Ospedale Metropolitano Niguarda Milan Italy
4. Department of Laboratory Medicine Division of Pathology Azienda Socio Sanitaria Territoriale Grande Ospedale Metropolitano Niguarda Milan Italy
5. Divisione di Medicina Generale II, Azienda Socio Sanitaria Territoriale Santi Paolo e Carlo, Dipartimento di Scienze della Salute Università degli Studi di Milano Milan Italy
6. Hepatology and Gastroenterology Unit Azienda Socio Sanitaria Territoriale Grande Ospedale Metropolitano Niguarda Milan Italy
7. Department of Medicine and Surgery University of Milano‐Bicocca Milan Italy
8. International Center for Digestive Health University of Milano‐Bicocca Milan Italy