Endpoints for extraintestinal manifestations in inflammatory bowel disease trials: the EXTRA consensus from the International Organization for the Study of Inflammatory Bowel Diseases

Guillo, Lucas; Abreu, Maria; Panaccione, Remo; Sandborn, William J; Azevedo, Valderilio F; Gensler, Lianne; Moghaddam, Bahar; Ahuja, Vineet; Ali, Sabrina A; Allez, Matthieu; Ananthakrishnan, Ashwin N; Bhattacharya, Abhik; Dubinsky, Marla; Griffiths, Anne; Hart, Ailsa; Korelitz, Burton; Kotze, Paulo G; Koutroubakis, Ioannis E; Lakatos, Peter L [Lakatos, Péter László (Belgyógyászat, ga...), szerző] Belgyógyászati és Onkológiai Klinika (SE / AOK / K); Lindsay, James O; Magro, Fernando; Mantzaris, Gerassimos J; Ng, Siew C; O'Morain, Colm; Panés, Julian; Parigi, Tommaso; Ran, Zhihua; Rogler, Gerhard; Rubin, David T; Sachar, David B; Siegmund, Britta; Steinwurz, Flavio; Tysk, Curt; Vavricka, Stephan; Verstraete, Sofia G; Brezin, Antoine P; Haemel, Anna K; Dignass, Axel; Sands, Bruce E; Danese, Silvio; Peyrin-Biroulet, Laurent