About the Authors

Christine Kruse

Roles Conceptualization, Data curation, Formal analysis, Methodology, Project administration, Validation, Writing – original draft, Writing – review & editing

Affiliation Department of Orthopaedic Surgery and Traumatology, Odense University Hospital and Institute of Clinical Research, University of Southern, Odense, Denmark

Signe Rosenlund

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Validation, Writing – review & editing

signe.rosenlund@gmail.com

Affiliations Department of Orthopaedic Surgery and Traumatology, Odense University Hospital and Institute of Clinical Research, University of Southern, Odense, Denmark, Department of Orthopaedic Surgery and Traumatology, Zealand University Hospital, Køge, Denmark

Leif Broeng

Roles Conceptualization, Data curation, Investigation, Methodology, Supervision, Validation, Writing – review & editing

Affiliation Department of Orthopaedic Surgery and Traumatology, Zealand University Hospital, Køge, Denmark

Søren Overgaard

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

Affiliation Department of Orthopaedic Surgery and Traumatology, Odense University Hospital and Institute of Clinical Research, University of Southern, Odense, Denmark

Competing Interests

This study has received funding from public and private foundations. One author has received grants from biomedical companies not related to this study. Dr. Rosenlund reports grants from The Danish Rheumatism Association, grants from Region of Zealand, grants from Region of Southern Denmark, grants from Bevica Foundation, grants from Bjarne Jensen Foundation, grants from Odense University Hospital, during the conduct of the study. Dr. Søren Overgaard reports grants from Biomet, grants from DePuy, from Protesekompagniet, grants from Zimmer, principal investigator for a study at Eli Lilly, all relations is outside the submitted work. No one of the above funding partners took part in the design, analyses, writing the manuscript or decision about publication. This does not alter our adherence to PLOS ONE policies on sharing data and materials.