Funding for this research was provided by:
Crohn's and Colitis UK (SP2015/1)
Received: 27 September 2018
Accepted: 21 January 2019
First Online: 29 January 2019
Ethics approval and consent to participate
: Ethics approval was granted by the Camden and Kings Cross Research Ethics Committee (reference 15/LO/1804), and all participants provided written informed consent before enrolment.
: Not applicable.
: The authors declare that they have no competing interests.
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