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Matthew L Costa, Juul Achten, Alexander Ooms, May Ee Png, Jonathan Cook, Melina Dritsaki, Sarah E Lamb, Robin Lerner, Kylea Draper, Marta Campolier, Helen Dakin, Alwin McGibbon, Nicholas Parsons, Helen Hedley, Joseph Dias & the DRAFFT 2 CollaboratorsUllahAamerUniversity Hospitals of Leicester NHS TrustNgAaronMid Yorkshire Hospitals NHS TrustWattsAdamWrightington, Wigan & Leigh NHS Foundation TrustElseehyAmrCentral Manchester University Hospitals NHS Foundation TrustMcAndrewAndrewRoyal Berkshire NHS Foundation TrustMcKeeAndrewNorth West Anglia NHS Foundation TrustBatemanAntonyUniversity Hospitals of Derby and Burton NHS TrustSheridanBarnabySomerset NHS Foundation TrustHingCarolineSt George’s University Hospitals NHS Foundation TrustCharalambousCharalambos PBlackpool Teaching Hospitals NHS Foundation TrustPeachChrisManchester University NHS Foundation TrustRobertsChristopherEast Suffolk and North Essex NHS Foundation TrustGiddenDavidNorthampton General Hospital NHS TrustMackayDavidNorth Cumbria University Hospitals NHS TrustWarwickDavidUniversity Hospital Southampton NHS Foundation TrustMacleodIainHampshire Hospitals NHS Foundation TrustCandal-CoutoJaimeNorthumbria Healthcare NHS Foundation TrustWilliamsJohnNewcastle upon Tyne NHS TrustYoungJonathanUniversity Hospitals Coventry and Warwickshire NHS TrustTheivendranKanthanSandwell and West Birmingham Hospitals NHS TrustSmithKevinUniversity Hospitals of North Midlands NHS TrustMohantyKhitishCardiff & Vale University Health BoardSrinivasanMakaramEast Lancashire Hospitals NHS TrustFarrarMarkPoole Hospital NHS Foundation TrustButlerMichaelRoyal Cornwall Hospitals NHS TrustHamadtoMohamedUniversity Hospitals of North Midlands NHS TrustRossiterNigelHampshire Hospitals NHS Foundation TrustKeast-ButlerOliverEast Sussex Healthcare NHS TrustJohnstonPhillipCambridge University Hospitals NHS Foundation TrustSardaPraveenCentral Manchester University Hospitals NHS Foundation TrustSanjayPulimamidiBedfordshire Hospitals NHS Foundation TrustNandaRajeshNorth Tees and Hartlepool NHS Foundation TrustBensonRichardMaidstone & Tunbridge Wells NHS TrustSampalliSridharraoSalisbury NHS Foundation TrustLipscombeStephenSt Helens and Knowsley Teaching Hospitals NHS TrustGwilymSteveOxford University Hospitals NHS Foundation TrustChesserTimothyUniversity Hospitals Bristol and Weston NHS Foundation TrustEardleyWilliamSouth Tees Hospitals NHS Foundation TrustSharmaAmitBedfordshire Hospitals NHS Foundation TrustFontalisAndreasSt George’s University Hospitals NHS Foundation TrustIqbalArshadPoole Hospital NHS Foundation TrustWijendraAsankaOxford University Hospitals NHS Foundation TrustGibsonCatherineHampshire Hospitals NHS Foundation TrustZhaoCraigEast Sussex Healthcare NHS TrustRasidovicDamirUniversity Hospitals Coventry and Warwickshire NHS TrustPillaiDilipUniversity Hospitals of Derby and Burton NHS TrustBealeHarryHampshire Hospitals NHS Foundation TrustAfifiHythamNorthampton General Hospital NHS TrustDuncanJamesRoyal Berkshire NHS Foundation TrustKennedyJamesManchester University NHS Foundation TrustTadrosJohn BahaEast Sussex Healthcare NHS TrustCrosbyJonathanNorth West Anglia NHS Foundation TrustHobbyJonathanUniversity Hospitals of Derby and Burton NHS TrustWongKenIpswich Hospital NHS TrustAneibaKhaledNorth Tees and Hartlepool NHS Foundation TrustBeddardLauraPoole Hospital NHS Foundation TrustNordinLouiseHampshire Hospitals NHS Foundation TrustHughesLukeManchester University NHS Foundation TrustJennerLydiaNorth Tees and Hartlepool NHS Foundation TrustKillenMarie-ClareNewcastle upon Tyne NHS TrustWilliamsonMarkMaidstone & Tunbridge Wells NHS TrustJonesMattRoyal Cornwall Hospitals NHS TrustWestonMattUniversity Hospitals Coventry and Warwickshire NHS TrustIqbalMohammadBedfordshire Hospitals NHS Foundation TrustPaytonOliviaUniversity Hospitals Coventry and Warwickshire NHS TrustKankanaluPradeepUniversity Hospitals of North Midlands NHS TrustBeamishRebecca EmilyHampshire Hospitals NHS Foundation TrustJenningsRobertUniversity Hospital Southampton NHS Foundation TrustHigginRyanSalisbury NHS Foundation TrustKerrSallyHampshire Hospitals NHS Foundation TrustParkerSimon JRoyal Berkshire NHS Foundation TrustBuchanStephSalisbury NHS Foundation TrustMilnerSteveUniversity Hospitals of Derby and Burton NHS TrustGillSukhdeepHampshire Hospitals NHS Foundation TrustCorbettThomasSt George’s University Hospitals NHS Foundation TrustOniTofiEast Sussex Healthcare NHS TrustVardhanVenkatUniversity Hospitals of North Midlands NHS TrustWignadasanWarranPoole Hospital NHS Foundation TrustChevannesWystanNorth West Anglia NHS Foundation Trust.

Matthew L Costa ^1,*, Juul Achten ¹, Alexander Ooms ², May Ee Png ³, Jonathan Cook ², Melina Dritsaki ², Sarah E Lamb ^1,4, Robin Lerner ^1,5, Kylea Draper ¹, Marta Campolier ¹, Helen Dakin ⁶, Alwin McGibbon ⁷, Nicholas Parsons ⁸, Helen Hedley ⁹, Joseph Dias ¹⁰, ^†

¹ Oxford Trauma and Emergency Care, Kadoorie Research Centre, Nuffield Department of Orthopaedic, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
² Centre for Statistics in Medicine, Oxford Clinical Trials Research Unit, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
³ Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
⁴ College of Medicine and Health, St Luke’s Campus, University of Exeter, Exeter, UK
⁵ Blizard Institute, Queen Mary University of London, London, UK
⁶ Nuffield Department of Population Health, University of Oxford, Oxford, UK
⁷ Patient and public involvement group member, Wimbourne, UK
⁸ Statistics and Epidemiology Unit, Warwick Medical School, University of Warwick, Coventry, UK
⁹ Department of Orthopaedics, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, UK
¹⁰ AToMS Academic Team of Musculoskeletal Surgery, University Hospitals of Leicester NHS Trust, Leicester, UK
^* Corresponding author Email: matthew.costa@ndorms.ox.ac.uk