1 Gastroenterology Unit, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padua, Padua, Italy.
2 Gastroenterology Unit, Department of Oncological Gastrointestinal Surgery, S. Maria del Prato Hospital, Feltre, Italy.
3 Gastroenterology Unit, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padua, Padua, Italy. Electronic address: [email protected].