1 Pancreato-Biliary Endoscopy and Endosonography Division; Pancreas Translational and Clinical Research Center.
2 Gastrointestinal Endoscopy Division.
3 Pancreato-Biliary Endoscopy and Endosonography Division, Pancreas Translational and Clinical Research Center, San Raffaele Scientific Institute IRCCS, Vita-Salute San Raffaele University, Milan, Italy.