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Karen L Barker, Jon Room, Ruth Knight, Susan J Dutton, Fran Toye, Jose Leal, Seamus Kent, Nicola Kenealy, Michael M Schussel, Gary Collins, David J Beard, Andrew Price, Martin Underwood, Avril Drummond, Elaine Cook & Sarah E Lamb.

Karen L Barker ^1,2,*, Jon Room ^1,2, Ruth Knight ³, Susan J Dutton ³, Fran Toye ², Jose Leal ⁴, Seamus Kent ⁴, Nicola Kenealy ¹, Michael M Schussel ³, Gary Collins ³, David J Beard ¹, Andrew Price ¹, Martin Underwood ⁵, Avril Drummond ⁶, Elaine Cook ⁷, Sarah E Lamb ^1,8

¹ Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
² Physiotherapy Research Unit, Nuffield Orthopaedic Centre, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
³ Centre for Statistics in Medicine, Oxford Clinical Trials Research Unit, University of Oxford, Oxford, UK
⁴ Health Economics Research Centre, Nuffield Department of Population Health, University of Oxford, Oxford, UK
⁵ Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
⁶ School of Health Sciences, University of Nottingham, Nottingham, UK
⁷ Patient and public involvement member, ,
⁸ School of Medicine and Health, University of Exeter, Exeter, UK
^* Corresponding author Email: karen.barker@ouh.nhs.uk