Name Affiliation Professional Role Faisal Abbasi Queen's Hospital

BMJ Publishing Group Limited (BMJ) disclaims all liability and responsibility arising from any reliance Supplemental material placed on this supplemental material which has been supplied by the author(s) Frontline Gastroenterol

Name Affiliation Professional role Faisal Abbasi Queen’s Hospital Romford, Gastroenterology registrar London, UK Jane Abbot Newham Hospital, London, UK Gastroenterology registrar Omer Ahmad University College London Gastroenterology registrar Hospital, London, UK Ali Akram Ealing Hospital, London, UK Gastroenterology registrar Maria Aslam University College London Gastroenterology registrar Hospital, London, UK Homira Ayubi Croydon University Hospital, Gastroenterology registrar London, UK Jennifer Clough Guy’s and St Thomas’ Hospitals, Gastroenterology registrar London, UK; King’s College London, UK Robin Dart Newham Hospital, London, UK; Gastroenterology registrar King’s College London, UK and visiting research fellow Angad Dhillon St Mark’s Hospital, London, UK Gastroenterology registrar Jonathan Digby- Chelsea and Westminster Gastroenterology registrar Bell Hospital, London, UK Robert Eckersley King George Hospital, London, Gastroenterology registrar UK Tareq El Royal Free Hospital, London, UK Gastroenterology registrar Menabawey Jemima Finkel University College London Gastroenterology registrar Hospital, London, UK Rishi Fofaria St Mark’s Hospital, London, UK Gastroenterology registrar Radha Gadhok Royal London Hospital, London, Gastroenterology registrar UK Shraddha Gulati Royal Free Hospital, London, UK Gastroenterology registrar Richard Hackett Royal London Hospital, London, Core Medical trainee UK Joy Harris-Folb Royal London Hospital, London, Core Medical trainee UK George Hiner Northwick Park and St Mark’s Gastroenterology registrar Hospitals, London, UK Hein Htet Whipp’s Cross Hospital, London, Core Medical trainee UK Sungjae Hwang North Middlesex Hospital, Gastroenterology registrar London, UK Alexander Huang University College London Gastroenterology registrar Hospital, London, UK Nishani Newham Hospital, London, UK Gastroenterology registrar Jayasoorina Misha Kabir St Mark’s Hospital, London Gastroenterology registrar Rawen Kader Hammersmith Hospital, London, Gastroenterology registrar UK Jonathan King Barnet and Chase Farm Gastroenterology registrar Hospitals, London, UK Teo Lopez Royal London Hospital, London, Core Medical trainee Bernal UK James Maurice St Mary’s Hospital, London, UK Gastroenterology registrar Susanna Meade Guy’s and St Thomas’ Hospitals, Gastroenterology registrar London, UK

, et al. Frontline Gastroenterol 2020; 12:5–10. doi: 10.1136/flgastro-2019-101347 BMJ Publishing Group Limited (BMJ) disclaims all liability and responsibility arising from any reliance Supplemental material placed on this supplemental material which has been supplied by the author(s) Frontline Gastroenterol

Sam Pannick Ealing Hospital, London, UK Gastroenterology registrar Mihir Patel Newham Hospital, London, UK Foundation year 1 doctor Raj Patel Barnet and Chase Farm Gastroenterology registrar Hospitals, London, UK Polychronis Guy’s and St Thomas’ Hospitals, Clinical Lecturer in Pavlidis London, UK; King’s College Gastroenterology London, UK Sam Powles St Mary’s Hospital, London, UK Gastroenterology registrar Rebecca Preedy King George’s Hospital, London, Gastroenterology registrar UK Rohit Rao Royal London Hospital, London, Gastroenterology registrar UK Srivasthan Northwick Park and St Mark’s Gastroenterology registrar Ravindran Hospitals, London, UK Mark Samaan University College London Gastroenterology registrar Hospital, London, UK Gregory University College London Gastroenterology registrar Sebepos-Rogers Hospital, London, UK Jonathan Segal St Mark’s Hospital, London, UK Gastroenterology registrar Mentaj Sehmbhi Northwick Park and St Marks’ Core Medical trainee Hospitals, London, UK Penelope Sellers Northwick Park and St Marks’ Core Medical trainee Hospitals, London, UK Arun Hillingdon Hospital, London, UK Gastroenterology registrar Sivananthan Chehkuan Tai Homerton Hospital, London, UK Gastroenterology registrar Holly Theaker University College London Foundation year 1 doctor Hospital, London, UK Zohib Tariq Barnet and Chase Farm Gastroenterology registrar Hospitals, London, UK Hannah Walton Northwick Park and St Mark’s Gastroenterology registrar Hospital, London, UK Allan Xu Royal London Hospital, London, Foundation year 1 doctor UK Supplementary table 1: GLINT collaborator affiliations

APPENDIX

, et al. Frontline Gastroenterol 2020; 12:5–10. doi: 10.1136/flgastro-2019-101347