Affiliation: | 1. Department of Orthopaedics, Trauma Surgery and Spinal Cord Injury, University Hospital Heidelberg, , 69118 Heidelberg, Germany;2. Maxillofacial and Plastic Surgery, University Medical Center, , 55131 Mainz, Germany;3. Research Center for Experimental Orthopaedics, University Hospital Heidelberg, , 69118 Heidelberg, Germany |