Use of placebo in pediatric inflammatory bowel diseases: A position paper from ESPGHAN, ECCO, PIBDnet, and the canadian children IBD network

Dan Turner^*, Sibylle Koletzko, Anne M. Griffiths, Jeffrey Hyams, Marla Dubinsky, Lissy De Ridder, Johanna Escher, Paolo Lionetti, Salvatore Cucchiara, Michael J. Lentze, Berthold Koletzko, Patrick Van Rheenen, Richard K. Russell, David Mack, Gigi Veereman, Séverine Vermeire, Frank Ruemmele