1. Internal Medicine and Alcohol Related Disease Unit, Department of Medical and Surgical Sciences Columbus‐Gemelli Hospital, Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy
2. Department of Social and Developmental Psychology Faculty of Medicine and Psychology Sapienza University of Rome Rome Italy
3. Multivisceral Transplant Unit, Department of Surgery, Oncology and Gastroenterology Padua University Hospital Padua Italy
4. Internal Medicine Unit, Department of Medical and Surgical Sciences Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy
5. CEMAD Digestive Disease Center, Department of Medical and Surgical Sciences, Hepatology and Gastroenterology Unit Università Cattolica del Sacro Cuore Rome Italy