Authors: Philipp Lenz; Franziska Eckelskemper; Thomas Erichsen; Tim Lankisch; Alexander Dechêne; Gabriele Lubritz; Frank Lenze; Torsten Beyna; Hansjörg Ullerich; Andre Schmedt; Dirk Domagk Journal: World J Gastroenterol Date: 2014-09-14 Impact factor: 5.742