Validation of predictive models for disease outcomes in paediatric ulcerative colitis: A multicentre prospective inception cohort

Ohad Atia, Renz C.W. Klomberg, Lissy de Ridder^*, Polychronis Kemos, Frank M. Ruemmele, Ben Kang, Sujin Choi, Byung Ho Choe, Youra Kang, Dror S. Shouval, Gili Focht, Oren Ledder, Raffi Lev-Tzion, Natalie Carmon, Tal David Berger, Dan Turner, Nicholas M. Croft, Esther Orlanski-Meyer