Financial & competing interests disclosure
J-R Malagelada received financial compensation for his position on advisory boards and as a Consultant from Almirall and Shire, and received a research grant from Given. The author has 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.
Editing support for English language was provided by Complete Medical Communications Ltd and was funded by Almirall.