1. Laboratory for Tissue‐Engineering and Regenerative Medicine Department of Plastic and Hand Surgery University Hospital of Erlangen Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany
2. Department of Plastic Surgery, Hand Surgery, Burns Center University Hospital RWTH Aachen University University Hospital Aachen Germany
3. Department of Transfusion Medicine and Hemostaseology University Hospital of Erlangen Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany