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1 Aesculap AG Research and Development, 78532 Tuttlingen, Germany ; Department of Orthopaedic Surgery, University Hospital of Munich (LMU), Campus Grosshadern, 81377 Munich, Germany.
2 Department of Orthopaedic Surgery, University Hospital of Munich (LMU), Campus Grosshadern, 81377 Munich, Germany.
3 Section of Tribology, Rush University Medical Center, Chicago, IL 60612, USA.
1 Aesculap AG Research and Development, 78532 Tuttlingen, Germany ; Department of Orthopaedic Surgery, University Hospital of Munich (LMU), Campus Grosshadern, 81377 Munich, Germany.
2 Department of Orthopaedic Surgery, University Hospital of Munich (LMU), Campus Grosshadern, 81377 Munich, Germany.
3 Section of Tribology, Rush University Medical Center, Chicago, IL 60612, USA.