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Damian R Griffin, Edward J Dickenson, Felix Achana, James Griffin, Joanna Smith, Peter DH Wall, Alba Realpe, Nick Parsons, Rachel Hobson, Jeremy Fry, Marcus Jepson, Stavros Petrou, Charles Hutchinson, Nadine Foster & Jenny Donovan.

Damian R Griffin ^1,2,*, Edward J Dickenson ^1,2, Felix Achana ¹, James Griffin ¹, Joanna Smith ², Peter DH Wall ^1,2, Alba Realpe ¹, Nick Parsons ¹, Rachel Hobson ¹, Jeremy Fry ³, Marcus Jepson ⁴, Stavros Petrou ¹, Charles Hutchinson ^1,2, Nadine Foster ⁵, Jenny Donovan ⁴

¹ Warwick Medical School, University of Warwick, Coventry, UK
² University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
³ Lay person, Reading, UK
⁴ Bristol Medical School, University of Bristol, Bristol, UK
⁵ Arthritis Research UK Primary Care Centre, Research Institute for Primary Care and Health Sciences NIHR, Keele University, Keele, UK
^* Corresponding author Email: damian.griffin@warwick.ac.uk

Declared competing interests of authors: Damian R Griffin is a surgeon with a hip preservation practice that includes treating femoroacetabular impingement syndrome and hip arthroscopy, and he reports consulting and teaching fees from Stryker UK (Newbury, UK) and Smith & Nephew UK (Watford, UK), outside the submitted work. Joanna Smith is a physiotherapist who treats patients with femoroacetabular impingement syndrome. Peter DH Wall is a hip surgeon who treats patients with femoroacetabular impingement syndrome. Nadine Foster is a member of Clinical Trial Units that were funded by the National Institute for Health Research until 2021 and was a member of the Health Technology Assessment Primary Care, Community and Preventive Interventions Panel (2010–15). Jenny Donovan reports membership of the Rapid Trials and Add-on Studies Board (2012 to present) and the Health Technology Assessment Commissioning Committee (2006–12).