1. Pancreatobiliary Endoscopy and Endosonography Division IRCCS San Raffaele Scientific Institute Milan Italy
2. Vita‐Salute San Raffaele University Milan Italy
3. Department of Gastroenterology and Hepatology, Amsterdam Gastroenterology Endocrinology and Metabolism Amsterdam UMC, Vrije Universiteit Amsterdam The Netherlands
4. Department of Gastroenterology and Hepatology, University Hospitals Gasthuisberg University of Leuven Leuven Belgium
5. Department of Gastroenterology and Hepatology Imelda General Hospital Bonheiden Belgium
6. Department of Gastroenterology and Hepatology, Amsterdam Gastroenterology Endocrinology and Metabolism Amsterdam UMC, University of Amsterdam Amsterdam The Netherlands