[1] Nottingham Univ Hosp NHS Trust, Gastroenterol, Nottingham, England
[2] Univ Cent Lancashire, Sch Med, Preston, England
[3] Kettering Gen Hosp NHS Fdn Trust, Digest Dis, Kettering, England
[4] Barts Hlth NHS Trust, Dept Gastroenterol, London, England
[5] St Georges Univ Hosp NHS Fdn Trust, Dept Gastroenterol, London, England
[6] Pennine Acute Hosp NHS Trust, Gastroenterol, Manchester, England
[7] Imperial Coll London, St Marks Hosp, Dept Inflammatory Bowel Dis, London, England
[8] Univ Hosp NHS Fdn Trust, Gastroenterol, Liverpool, England
[9] NHS Lothian Edinburgh, Western Gen Hosp, Gastroenterol, Clydebank, Edinburgh, Scotland
[10] NHS Fdn Trust, Derby Teaching Hosp, Gastroenterol, Derby, England
[11] Nottingham Univ Hosp NHS Trust, Gastroenterol, Queens Med Ctr, Nottingham, England
[12] Cambridge Univ Hosp NHS Fdn Trust, Gastroenterol, Cambridge, England
[13] Kings Coll London, Sch Immunol & Microbial Sci, Gastroenterol, London, England
[14] Univ Hosp Birmingham NHS Trust, Dept Gastroenterol, Birmingham, England
[15] Univ Leeds, Inst Rheumat & Musculoskeletal Med, Dept Rheumatol, Leeds, England
[16] Southmead Hosp, Dept Cellular Pathol, Bristol, England
[17] Nottingham Univ Hosp, Gastroenterol, NIHR Nottingham Biomed Res Ctr, Nottingham, England