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Ashley W Blom, Andrew D Beswick, Amanda Burston, Fran E Carroll, Kirsty Garfield, Rachael Gooberman-Hill, Shaun Harris, Setor K Kunutsor, Athene Lane, Erik Lenguerrand, Alasdair MacGowan, Charlotte Mallon, Andrew J Moore, Sian Noble, Cecily K Palmer, Ola Rolfson, Simon Strange & Michael R Whitehouse.

Ashley W Blom ^1,2,*, Andrew D Beswick ², Amanda Burston ², Fran E Carroll ³, Kirsty Garfield ^3,4, Rachael Gooberman-Hill ², Shaun Harris ^3,4, Setor K Kunutsor ^1,2, Athene Lane ^3,4, Erik Lenguerrand ², Alasdair MacGowan ⁵, Charlotte Mallon ², Andrew J Moore ², Sian Noble ³, Cecily K Palmer ^3,6, Ola Rolfson ^2,7, Simon Strange ², Michael R Whitehouse ^1,2

¹ National Institute for Health and Care Research Bristol Biomedical Research Centre, University Hospitals Bristol and Weston NHS Foundation Trust and University of Bristol, Bristol, UK
² Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
³ Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
⁴ Bristol Randomised Trials Collaboration, University of Bristol, Bristol, UK
⁵ Department of Medical Microbiology, Southmead Hospital, Bristol, UK
⁶ National Institute for Health and Care Research Applied Research Collaboration West (NIHR ARC West), University Hospitals Bristol NHS Foundation Trust and University of Bristol, Bristol, UK
⁷ Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
^* Corresponding author Email: Ashley.Blom@bristol.ac.uk

Declared competing interests of authors: Ashley W Blom is a co-applicant on a grant from Stryker Corporation (Kalamazoo, MI, USA) for investigating the outcome of the Triathlon total knee replacement. He is a member of the National Joint Registry lot 2 contract (statistical analysis) team and a member of the National Institute for Health and Care Research (NIHR) Bristol Biomedical Research Centre. Erik Lenguerrand is also a member of the National Joint Registry lot 2 contract (statistical analysis) team. Ola Rolfson reports grants from Stryker Corporation, Pfizer Inc. (New York, NY, USA) and LINK Sweden AB (Åkersberga, Sweden) outside the submitted work. Michael R Whitehouse undertakes teaching on basic sciences for orthopaedic trainees preparing for the Fellowship of the Royal College of Surgeons; his institution receives market-rate payment for this teaching from Heraeus (Hanau, Germany). He undertakes teaching on total hip replacement for orthopaedic consultants and trainees; his institution receives market-rate payment for this teaching from DePuy Synthes (Raynham, MA, USA). He is a co-applicant on a grant from Stryker Corporation investigating the outcome of the Triathlon total knee replacement. He is a member of the National Joint Registry lot 2 contract (statistical analysis) team. He is NIHR Clinical Research Network West of England lead for Trauma and Emergencies, a member of the NIHR Bristol Biomedical Research Centre and principal investigator on two NIHR Health Technology Assessment grants (NIHR129011 and NIHR127849).