1. ZESBO - Center for Research on Musculoskeletal Systems, University of Leipzig, Leipzig, Germany;
2. Department of Orthopaedic, Trauma and Plastic Surgery, University of Leipzig, Leipzig, Germany;
3. Department of Orthopaedic and Trauma Surgery, HELIOS Clinic Blankenhain, Blankenhain, Germany;
4. Department of Anatomy, University of Otago, Dunedin, New Zealand;
5. Fraunhofer Institute for Machine Tools and Forming Technology, Fraunhofer IWU, Dresden, Germany