Development of the Paris Definition of Early Crohn's Disease for Disease-Modification Trials: Results of an International Expert Opinion Process

Peyrin-Biroulet, L; Billioud, V; D'Haens, G; Panaccione, R; Feagan, B; Panes, J; Danese, S; Schreiber, S; Ogata, H; Hibi, T; Higgins, Pdr; Beaugerie, L; Chowers, Y; Louis, E; Steinwurz, F; Reinisch, W; Rutgeerts, P; Colombel, Jf; Travis, S; Sandborn, Wj