1. Department of Oral and Maxillofacial Surgery, Division of Regenerative Orofacial Medicine, University Medical Center Hamburg-Eppendorf, D-20246 Hamburg, Germany
2. Department of Oral and Maxillofacial Surgery, University Medical Center Hamburg-Eppendorf, D-20246 Hamburg, Germany
3. Fibrothelium GmbH, D-52068 Aachen, Germany
4. Department of Plastic Surgery, BG University Hospital Bergmannsheil, D-44789 Bochum, Germany
5. Mildred Scheel Cancer Career Center HaTriCS4, University Medical Center Hamburg-Eppendorf, D-20246 Hamburg, Germany