Declaration of Interests
RK Russell has received speaker’s fees, travel support, or participated in medical board meetings with MSD Immunology, Nestle, AbbVie,Dr Falk, Janssen, Takeda and Napp. R Hansen has received speaker’s fees, travel support, or consultancy fees with MSD Immunology, Nutricia, Dr Falk, and 4D Pharma. In the last 3 years D Turner received consultation fee, research grant, royalties, or honorarium from Janssen, Pfizer, SickKids, Ferring, MegaPharm, AstraZeneca, Abbvie, Takeda, BMS, Rafa, Boehringer Ingelheim, Biogen, Atlantic Health. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.