About the Authors

Tomasz D. Szwedowski

Contributed equally to this work with: Tomasz D. Szwedowski, William R. Taylor, Markus O. Heller

William R. Taylor

Contributed equally to this work with: Tomasz D. Szwedowski, William R. Taylor, Markus O. Heller

bill.taylor@charite.de

Affiliation Julius Wolff Institute (JWI), Center for Musculoskeletal Surgery (CMSC), Center for Sports Science and Sports Medicine Berlin (CSSB), Charité – Universitätsmedizin Berlin, Berlin, Germany

Markus O. Heller

Contributed equally to this work with: Tomasz D. Szwedowski, William R. Taylor, Markus O. Heller

Carsten Perka
Michael Müller
Georg N. Duda

Competing Interests

The authors have the following conflicts: The study was partially funded by Zimmer GmbH, but this does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MH WT GD CP MM. Performed the experiments: MM TS. Analyzed the data: TS WT MH. Contributed reagents/materials/analysis tools: TS WT MH. Wrote the paper: GD WT MH TS CP.