1. University of Groningen, University Medical Center Groningen, W. J. Kolff Institute; Department of Biomedical Engineering; Groningen The Netherlands
2. MIRA Institute for Biomedical Technology and Technical Medicine, Department of Biomaterials Science and Technology; University of Twente; Enschede The Netherlands
3. University of Groningen, University Medical Center Groningen; Department of Orthopaedic Surgery; Groningen The Netherlands