1. Center of Orthopedics, Traumatology, and Spinal Cord InjuryHeidelberg University Hospital Heidelberg Germany
2. Institute of BiomaterialsUniversity of Erlangen‐Nuremberg Erlangen Germany
3. ATORG ‐ Aschaffenburg Trauma and Orthopedic Research GroupCenter for Trauma Surgery, Orthopedics, and Sports Medicine, Klinikum Aschaffenburg‐Alzenau Aschaffenburg Germany