Affiliation: | (1) Department for Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;(2) Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Hugstetter Str. 55, 79106 Freiburg, Germany;(3) Metreon Bioproducts GmbH, Freiburg, Germany; |