1. Department of Orthopedic and Trauma Surgery, St Josefs-Hospital Wiesbaden, Wiesbaden, Germany;
2. Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Frankfurt am Main, Germany;
3. Institute of Anatomy, Goethe University Frankfurt, Frankfurt am Main, Germany;
4. Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston SC, United States;
5. Department of Trauma Surgery, University Hospital Frankfurt, Frankfurt am Main, Germany