TPC declares consultancies, or support for travel or speaker fees, from Takeda, Dr Falk Pharma, Techspert, IQVIA, Sermo, Janssen, Tillots, and M3 Global Research. JS declares grant funding to the University of Oxford from Crohn's Colitis UK, Action Medical Research, ECCO, European Commission, and Leona & M Helmsley Trust; consultancy fees from Janssen; and patent applications to discover diagnostic biomarkers in paediatric inflammatory bowel disease and in developing non-immunogenic anti-TNF therapies. JS is a Director of the UK IBD Registry; Co-Chair of the CCFA Precision Medicine working group; advisor to NICE on precision medicine; Chair of the TRIBUTE trial data & safety committee; and Chair of the steering committee of the MODULATE trial.