1. Department of Plastic and Hand Surgery, and Valley TEC (Valley Tissue Engineering Center), University of Freiburg-Medical Centre, Freiburg, Germany
2. Department of Plastic and Hand Surgery, and Valley TEC (Valley Tissue Engineering Center), University of Freiburgh-Medical Centre, Freiburg, Germany
3. Valley TEC (Valley Tissue Engineering Center), University of Freiburg-Medical Centre, Freiburg, Germany