Authors: Andre Ignee; Christian Jenssen; Michael Hocke; Yi Dong; Wen-Ping Wang; Xin-Wu Cui; Matthias Woenckhaus; Sevastita Iordache; Adrian Saftoiu; Gudrun Schuessler; Christoph F Dietrich Journal: Endosc Ultrasound Date: 2017 Jan-Feb Impact factor: 5.628