Learning to perform endoscopic resection of esophageal neoplasia is associated with significant complications even within a structured training program

F. G. I. van Vilsteren, R. E. Pouw, L. A. Herrero, F. P. Peters, R. Bisschops, M. Houben, F. T. M. Peters, B. E. Schenk, B. L. A. M. Weusten, M. Visser, Fiebo J. W. ten Kate, P. Fockens, E. J. Schoon, J. J. G. H. M. Bergman^*