Author/Authors :
Cortegoso Valdivia, Pablo Gastroenterology and Endoscopy Unit - University Hospital of Parma - University of Parma, Parma, Italy , Gaiani, Federica Gastroenterology and Endoscopy Unit - University Hospital of Parma - University of Parma, Parma, Italy , Chialà, Claudia Gastroenterology Unit - S. Andrea Hospital, Vercelli, Italy , Luigi de’Angelis, Gian Gastroenterology and Endoscopy Unit - University Hospital of Parma - University of Parma, Parma, Italy
