Designing clinical trials in paediatric inflammatory bowel diseases: a PIBDnet commentary

Dan Turner, Anne M. Griffiths, David Wilson, Diane R. Mould, Robert N. Baldassano, Richard K. Russell, Marla Dubinsky, Melvin B. Heyman, Lissy De Ridder, Jeffrey Hyams, Javier Martin De Carpi, Laurie Conklin, William A. Faubion, Sibylle Koletzko, Athos Bousvaros, Frank M. Ruemmele