[1] Royal Devon & Exeter NHS Fdn Trust, Gastroenterol, Exeter, Devon, England
[2] Royal Hosp Children, Paediat Gastroenterol, Glasgow, Lanark, Scotland
[3] St Marks Hosp & Acad Inst, Dept Gastroenterol, Harrow, Middx, England
[4] Guys & St Thomas NHS Fdn Trust, Dept Gastroenterol, London, England
[5] Univ Hosp Southampton NHS Fdn Trust, Dept Gastroenterol, Southampton, Hants, England
[6] Western Gen Hosp, Dept Gastroenterol, Edinburgh, Midlothian, Scotland
[7] Newcastle Upon Tyne Hosp NHS Fdn Trust, Dept Gastroenterol, Newcastle Upon Tyne, Tyne & Wear, England
[8] Royal Liverpool & Broadgreen Univ Hosp NHS Trust, Dept Gastroenterol, Liverpool, Merseyside, England
[9] Leeds Teaching Hosp NHS Trust, Gastroenterol, Leeds, W Yorkshire, England
[10] Pennine Acute Hosp NHS Trust, Div Gastroenterol, Sect IBD, Manchester, Lancs, England
[11] Univ Hosp Birmingham NHS Fdn Trust, Gastroenterol, Birmingham, W Midlands, England
[12] Sheffield Teaching Hosp NHS Fdn Trust, Acad Dept Gastroenterol, Sheffield, S Yorkshire, England
[13] Oxford Univ Hosp NHS Fdn Trust, Translat Gastroenterol Unit, Oxford, England
[14] Glasgow Royal Infirm, Gastroenterol, Glasgow, Lanark, Scotland
[15] Royal Free London NHS Fdn Trust, Gastroenterol, London, England
[16] St Georges Univ Hosp NHS Fdn Trust, Gastroenterol, London, England
[17] St Georges Univ London, Dept Gastroenterol, London, England
[18] Kings Coll Hosp NHS Fdn Trust, Gastroenterol, London, England
[19] Addenbrookes Hosp, Gastroenterol, Cambridge, England
[20] Univ Hosp Birmingham NHS Fdn Trust, Dept Gastroenterol, Birmingham, W Midlands, England
[21] Barts Hlth NHS Trust, Dept Gastroenterol, London, England
[22] Hull Univ Teaching Hosp NHS Trust, IBD Unit, Kingston Upon Hull HU3 2JZ, N Humberside, England