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David G Jayne, Annabelle E Williams, Neil Corrigan, Julie Croft, Alison Pullan, Vicky Napp, Rachel Kelly, David Meads, Armando Vargas-Palacios, Adam Martin, Claire Hulme, Steven R Brown, Karen Nugent, Jen Lodge, David Protheroe, Sushil Maslekar, Andrew Clarke, Pasha Nisar & Julia M Brown.

David G Jayne ^1,*, Annabelle E Williams ², Neil Corrigan ³, Julie Croft ³, Alison Pullan ³, Vicky Napp ³, Rachel Kelly ³, David Meads ⁴, Armando Vargas-Palacios ⁴, Adam Martin ⁴, Claire Hulme ⁵, Steven R Brown ⁶, Karen Nugent ⁷, Jen Lodge ⁸, David Protheroe ⁹, Sushil Maslekar ¹⁰, Andrew Clarke ¹¹, Pasha Nisar ¹², Julia M Brown ³

¹ Academic Surgery, Leeds Institute of Medical Research at St James’s, University of Leeds, Leeds, UK
² Colorectal and General Surgery, Milton Keynes University Hospital, Milton Keynes, UK
³ Clinical Trials Research Unit, Leeds Institute of Clinical Trials Research, University of Leeds, Leeds, UK
⁴ Academic Unit of Health Economics, Leeds Institute of Health Sciences, University of Leeds, Leeds, UK
⁵ Health Economics Group, Institute of Health Research, University of Exeter Medical School, Exeter, UK
⁶ Department of Colorectal Surgery, Northern General Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
⁷ University of Southampton, Southampton, UK
⁸ Bowel Health and Pelvic Floor Dysfunction Community Urology and Colorectal Service (CUCS), Leeds Community Healthcare NHS Trust, Leeds, UK
⁹ Department of Liaison Psychiatry, Leeds General Infirmary, Leeds and York Partnership NHS Foundation Trust, Leeds, UK
¹⁰ St James’s Hospital, Leeds Teaching Hospitals NHS Trust, Leeds, UK
¹¹ Poole Hospital NHS Foundation Trust, Poole, UK
¹² St Peter’s Hospital, Ashford and St Peter’s Hospitals NHS Foundation Trust, Chertsey, UK
^* Corresponding author Email: d.g.jayne@leeds.ac.uk

Declared competing interests of authors: David G Jayne reports grants from National Institute for Health Research (NIHR) Senior Investigator awards, and that he was a member of the NIHR Efficacy and Mechanism Evaluation (EME) Strategy Group and Prioritisation Group (2015–18) and NIHR Clinical Scientist Awards Panel (2015–2018). He currently sits on the NIHR Advanced Fellowship Panel (2018 to present) and is a member of the NIHR i4i Product Development Awards Committee (2019 to present). Julia M Brown reports grants from NIHR Senior Investigator awards and the NIHR Funding Committee during the conduct of the study, and declares membership of the Health Technology Assessment (HTA) Remit and Competitiveness Group (2016 to present), Clinical Trial Units funded by NIHR, the HTA Funding Committee Policy Group (2016 to present) and the HTA Clinical Evaluation and Trials Committee (2016 to present). Claire Hulme was a member of the NIHR HTA Commissioning Board (2013–17). Steven Brown was a member of the HTA Commissioning Board (2018–19). David Meads was a member of the NIHR HTA Elective and Emergency Specialist Care (EESC) Methods Group (2014–17) and NIHR HTA EESC Panel (2013–17). He is a member of a NIHR Programme Grants for Applied Research subpanel (2017 to present).