1 Pancreato-Biliary Endoscopy and Endosonography Division, Pancreas Translational & Clinical Research Center, San Raffaele Scientific Institute IRCCS, Milan, Italy.
2 General and Pancreatic Surgery Unit, Pancreas Institute, University of Verona, Verona, Italy.
3 Pancreatic Surgery Unit, Pancreas Translational & Clinical Research Center, San Raffaele Scientific Institute IRCCS, Università Vita-Salute, Milan, Italy.