1. Gastroenterology and Multivisceral Transplant Unit, Azienda Ospedale - Università Padova, Padova, Italy
2. Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy, and
3. General Internal Medicine and Thrombotic and Hemorrhagic Diseases Unit, Department of Medicine, Padova University Hospital, Padova, Italy