About the Authors
- Albrecht Hartmann
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Affiliation University Hospital Carl Gustav Carus Dresden, University Centre for Orthopaedics and Trauma Surgery, Dresden, Germany
- Franziska Hannemann
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Affiliations University Hospital Carl Gustav Carus Dresden, University Centre for Orthopaedics and Trauma Surgery, Dresden, Germany, University Hospital Carl Gustav Carus Dresden, Centre for Evidence-Based Health Care, Dresden, Germany
- Jörg Lützner
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Affiliation University Hospital Carl Gustav Carus Dresden, University Centre for Orthopaedics and Trauma Surgery, Dresden, Germany
- Andreas Seidler
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Affiliation Dresden University of Technology, Occupational and Social Medicine, Dresden, Germany
- Hans Drexler
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Affiliation University Erlangen-Nuremberg, Occupational, Social and Environmental Medicine, Erlangen, Germany
- Klaus-Peter Günther
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* E-mail: Klaus-Peter.Guenther@uniklinikum-dresden.de
Affiliation University Hospital Carl Gustav Carus Dresden, University Centre for Orthopaedics and Trauma Surgery, Dresden, Germany
- Jochen Schmitt
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Affiliations University Hospital Carl Gustav Carus Dresden, Centre for Evidence-Based Health Care, Dresden, Germany, Dresden University of Technology, Occupational and Social Medicine, Dresden, Germany
Competing Interests
AH: remuneration for lecture Aesculap, Zimmer; paid consultancy for this work by German Osteoarthritis Society. FH: Paid employment for this work by German Osteoarthritis Society. JL: Financial support for educational activities (Aesculap, Bayer, Mathys) and re-search funding (Aesculap, Mathys, Smith & Nephew, Stryker). AS: Paid consultancy for this work by German Osteoarthritis Society. HD: none. KPG: Financial support for educational activities (Aesculap, Link, Zimmer) and re-search funding (Aesculap, DePuy, Smith & Nephew, Zimmer). JS: Paid consultancy for this work by German Osteoarthritis Society. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Analyzed the data: AH FH JL AS HD KPG JS. Wrote the paper: AH FH JL AS HD KPG JS.