1. Siegfried Weller Institute for Trauma Research, BG Trauma ClinicEberhard Karls University Tuebingen Germany
2. G.E.R.N. Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, University Medical Center Freiburg, Faculty of MedicineAlbert Ludwigs University of Freiburg Freiburg Germany
3. Department of Orthopaedic and Trauma SurgerySana Kliniken Leipziger Land Borna Germany
4. Department of Trauma, Hand and Reconstructive SurgeryUniversitätsklinikum Jena Jena Germany
5. Department of BiochemistryRush Medical College Chicago IL USA
6. Center for Biomedical EngineeringMassachusetts Institute of Technology Cambridge MA USA
7. Department of AnatomyChristian Albrechts University Kiel Germany