[1] Univ Hosp Coventry, Coventry, W Midlands, England
[2] Univ Coventry, Dept Appl Biol Sci, Coventry, W Midlands, England
[3] Univ Warwick, Clin Sci Res Inst, Warwick, England
[4] Sheffield Teaching Hosp, Sheffield, S Yorkshire, England
[5] Univ East Anglia, Norwich Med Sch, Norwich, Norfolk, England
[6] Univ Zurich, Zurich, Switzerland
[7] St Clara Hosp, Abdominal Ctr, Basel, Switzerland
[8] Univ Durham, Sch Med Pharm & Hlth, Durham, England
[9] Secretary BAM Support, Coventry, W Midlands, England
[10] Nottingham Univ Hosp NHS Trust, NIHR Nottingham Biomed Res Ctr BRC, Nottingham, England
[11] Univ Nottingham, Nottingham, England
[12] South Warwickshire Hosp, Dept Radiol, Warwick, England
[13] Midlands & NW Bowel Canc Screening Hub, Dept Clin Biochem, Rugby, England
[14] Musgrave Pk Hosp, Dept Gastroenterol, Taunton, Somerset, England
[15] Imperial Coll London, Div Digest Dis, London, England