1. Department of Traumatology, Hand‐, Plastic‐ and Reconstructive Surgery University Hospital Ulm Ulm Germany
2. Department of Orthopaedic Surgery, Orthopaedic Trauma Institute University of California San Francisco California
3. Department of Trauma University Hospital of Zurich Zurich Switzerland
4. Department of Surgical Research University Hospital of Zurich Zurich Switzerland
5. Institute of Orthopaedic Research and Biomechanics University Hospital Ulm Ulm Germany