1. Laboratory for Biomedical Microtechnology, Department of Microsystems Engineering, University of Freiburg, Freiburg, Germany
2. BrainLinks-BrainTools Center, University of Freiburg, Freiburg, Freiburg, Germany
3. Department of Orthopaedics and Trauma Surgery, Medical Center, University of Freiburg, Freiburg, Germany
4. Sanitätshaus Pfänder, Freiburg, Germany
5. Human Performance Laboratory, University of Calgary, Calgary, Canada
6. Department of Trauma Surgery, Hannover Medical School, Hannover, Germany
7. Department of Trauma Surgery, Orthopedics and Plastic Surgery, University Medical Center Goettingen, Göttingen, Germany
8. Bernstein Center Freiburg, University of Freiburg, Freiburg, Germany