Affiliation: | 1. Department of Gastroenterology and Hepatology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands;2. Department of Pathology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands;3. Department of Pathology, Antoni van Leeuwenhoek Hospital, Netherlands Cancer Institute, Amsterdam, the Netherlands;4. Department of Gastroenterology and Hepatology, Antoni van Leeuwenhoek Hospital, Netherlands Cancer Institute, Amsterdam, the Netherlands |