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Ian Roberts, Haleema Shakur-Still, Adefemi Afolabi, Adegboyega Akere, Monica Arribas, Emma Austin, Kiran Bal, Nuha Bazeer, Danielle Beaumont, Amy Brenner, Laura Carrington, Rizwana Chaudhri, Timothy Coats, Ian Gilmore, Kenneth Halligan, Irshad Hussain, Vipul Jairath, Kiran Javaid, Aasia Kayani, Ton Lisman, Raoul Mansukhani, Alec Miners, Muttiullah Mutti, Muhammad Arif Nadeem, Richard Pollok, Danielle Prowse, Jonathan Simmons, Simon Stanworth, Andrew Veitch & Jack Williams.

Ian Roberts ^1,*, Haleema Shakur-Still ¹, Adefemi Afolabi ², Adegboyega Akere ³, Monica Arribas ¹, Emma Austin ¹, Kiran Bal ¹, Nuha Bazeer ^4,5, Danielle Beaumont ¹, Amy Brenner ¹, Laura Carrington ¹, Rizwana Chaudhri ⁶, Timothy Coats ⁷, Ian Gilmore ⁸, Kenneth Halligan ⁹, Irshad Hussain ¹⁰, Vipul Jairath ¹¹, Kiran Javaid ¹², Aasia Kayani ¹², Ton Lisman ¹³, Raoul Mansukhani ¹, Alec Miners ¹⁴, Muttiullah Mutti ¹⁵, Muhammad Arif Nadeem ¹⁶, Richard Pollok ¹⁷, Danielle Prowse ¹, Jonathan Simmons ¹⁸, Simon Stanworth ^19,20,21, Andrew Veitch ²², Jack Williams ¹⁴

¹ Clinical Trials Unit, London School of Hygiene & Tropical Medicine, London, UK
² Department of Surgery, University College Hospital Ibadan, Ibadan, Nigeria
³ Department of Medicine, University College Hospital Ibadan, Ibadan, Nigeria
⁴ Department of Health Services Research and Policy, London School of Hygiene & Tropical Medicine, London, UK
⁵ Department of Health Policy, London School of Economics and Political Science, London, UK
⁶ Department of Obstetrics and Gynaecology, Rawalpindi Medical University, Rawalpindi, Pakistan
⁷ Emergency Department, Leicester Royal Infirmary, Leicester, UK
⁸ Liverpool Centre for Alcohol Research, University of Liverpool, Liverpool, UK
⁹ Patient representative, UK, ,
¹⁰ Department of Medicine, King Edward Medical University, Mayo Hospital, Lahore, Pakistan
¹¹ Division of Gastroenterology, Western University and London Health Sciences Centre, London, ON, Canada
¹² Rawalpindi Medical University – Pakistan National Coordinating Centre (RMU-PNCC), Rawalpindi, Pakistan
¹³ Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
¹⁴ Department of Health Services Research and Policy, London School of Hygiene & Tropical Medicine, London, UK
¹⁵ Department of Medicine, Rawalpindi Medical University, Rawalpindi, Pakistan
¹⁶ Medical Unit III, Services Institute of Medical Sciences, Services Hospital Gastrointestinal, Lahore, Pakistan
¹⁷ Gastroenterology and Hepatology Department, St George’s Hospital, London, UK
¹⁸ Gastroenterology Department, Royal Berkshire Hospital, Reading, UK
¹⁹ Transfusion Medicine, NHS Blood and Transplant (NHSBT), John Radcliffe Hospital, Oxford, UK
²⁰ Department of Haematology, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Oxford, UK
²¹ Radcliffe Department of Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
²² Gastroenterology Department, New Cross Hospital, Wolverhampton, UK
^* Corresponding author Email: Ian.Roberts@lshtm.ac.uk

Declared competing interests of authors: Haleema Shakur-Still reports grants from the National Institute for Health Research Clinical Trial Unit Support Funding.