1. Department of Plastic and Hand Surgery, University Hospital of Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany.
2. Department of Plastic Surgery, Hand and Burn Surgery, University Hospital of Aachen, RWTH University of Aachen, Aachen, Germany.
3. Department of Materials Science and Engineering, Institute for Biomaterials, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany.
4. Department of Materials Science and Engineering, Institute of Glass and Ceramics, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany.
5. Center for Medical Physics and Technology. Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany.
6. Siemens Healthcare GmbH, Sales In Vivo, Stuttgart, Germany.