1. Department of Orthopedics and Traumatology, Paracelsus Medical University, General Hospital Nuremberg, Breslauer Straße 201, 90471 Nuremberg, Germany
2. Institute of Anatomy and Cell Biology, Paracelsus Medical University, General Hospital Nuremberg, Prof. Ernst Nathan Str. 1, 90419 Nuremberg, Germany
3. Department of Trauma Surgery and Sports Medicine, Garmisch-Partenkirchen Medical Centre, 82467 Garmisch-Partenkirchen, Germany