Maximizing the diagnostic information from biopsies in chronic inflammatory bowel diseases: recommendations from the Erlangen International Consensus Conference on Inflammatory Bowel Diseases and presentation of the IBD-DCA score as a proposal for a new index for histologic activity assessment in ulcerative colitis and Crohn’s disease

Corinna Lang‐Schwarz, Abbas Agaimy, Raja Atreya, Christoph Becker, Silvio Danese, Jean–François Fléjou, Nikolaus Gaßler, Heike I. Grabsch, Arndt Hartmann, Kateřina Kamarádová, Anja A. Kühl, Gregory Y. Lauwers, Alessandro Lugli, Irıs D. Nagtegaal, Markus F. Neurath, Georg Oberhuber, Laurent Peyrin‐Biroulet, Timo Räth, Robert H. Riddell, Carlos A. Rubio, Kieran Sheahan, Herbert Tilg, Vincenzo Villanacci, Maria Westerhoff, Michael Vieth