Christianne J. Buskens1, Marinke Westerterp1, Sjoerd M. Lagarde1, Jacques J.G.H.M. Bergman1, Fiebo J.W. ten Kate1, J. Jan B. van Lanschot1
1Current affiliations: Departments of Surgery, Gastroenterology, and Pathology, Academic Medical Center, Amsterdam, The Netherlands.