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Sean Carrie, Tony Fouweather, Tara Homer, James O’Hara, Nikki Rousseau, Leila Rooshenas, Alison Bray, Deborah D Stocken, Laura Ternent, Katherine Rennie, Emma Clark, Nichola Waugh, Alison J Steel, Jemima Dooley, Michael Drinnan, David Hamilton, Kelly Lloyd, Yemi Oluboyede, Caroline Wilson, Quentin Gardiner, Naveed Kara, Sadie Khwaja, Samuel Chee Leong, Sangeeta Maini, Jillian Morrison, Paul Nix, Janet A Wilson & M Dawn Teare.

Sean Carrie ^1,2,*, Tony Fouweather ³, Tara Homer ³, James O’Hara ¹, Nikki Rousseau ⁴, Leila Rooshenas ⁵, Alison Bray ^2,6, Deborah D Stocken ⁴, Laura Ternent ³, Katherine Rennie ⁷, Emma Clark ⁷, Nichola Waugh ⁷, Alison J Steel ⁷, Jemima Dooley ⁸, Michael Drinnan ^2,6, David Hamilton ³, Kelly Lloyd ⁴, Yemi Oluboyede ³, Caroline Wilson ⁵, Quentin Gardiner ⁹, Naveed Kara ¹⁰, Sadie Khwaja ¹¹, Samuel Chee Leong ¹², Sangeeta Maini ¹³, Jillian Morrison ¹⁴, Paul Nix ¹⁵, Janet A Wilson ³, M Dawn Teare ³

¹ Ear, Nose and Throat Department, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
² Honorary affiliation with Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
³ Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
⁴ Leeds Institute of Clinical Trials Research, University of Leeds, Leeds, UK
⁵ Bristol Population Health Science Institute, University of Bristol, Bristol, UK
⁶ Northern Medical Physics and Clinical Engineering, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
⁷ Newcastle Clinical Trials Unit, Newcastle University, Newcastle upon Tyne, UK
⁸ Centre for Academic Primary Care, University of Bristol, Bristol, UK
⁹ Ear, Nose and Throat Department, Ninewells Hospital, NHS Tayside, Dundee, UK
¹⁰ Ear, Nose and Throat Department, Darlington Memorial Hospital, County Durham and Darlington NHS Foundation Trust, Durham, UK
¹¹ Ear, Nose and Throat Department, Manchester Royal Infirmary, Manchester University Foundation NHS Trust, Manchester, UK
¹² Ear, Nose and Throat Department, Aintree Hospital, Aintree University Hospitals NHS Foundation Trust, Liverpool, UK
¹³ Ear, Nose and Throat Department, Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK
¹⁴ Senate Office, University of Glasgow, Glasgow, UK
¹⁵ Ear, Nose and Throat Department, Leeds General Infirmary, Leeds Teaching Hospitals NHS Trust, Leeds, UK
^* Corresponding author Email: sean.carrie@nhs.net

Disclosure of interests

Full disclosure of interests: Completed ICMJE forms for all authors, including all related interests, are available in the toolkit on the NIHR Journals Library report publication page at https://doi.org/10.3310/MVFR4028.

Primary conflicts of interest: Sean Carrie reports personal fees and non-financial support from Medtronic plc (Dublin, Ireland), and personal fees and non-financial support from Olympus (Southend-on-Sea, UK), outside the submitted work. Deborah D Stocken is a member of the National Institute for Health and Care Research Efficacy and Mechanism Evaluation Funding Committee.