1. Helmholtz Institute for Biomedical Engineering, BioInterface GroupRWTH Aachen University Hospital AachenGermany
2. Institute of Pathology RWTH Aachen University Hospital Aachen Germany
3. Interdisciplinary Center for Clinical Research (IZKF) RWTH Aachen University Hospital Aachen Germany
4. Department of Orthodontics Dental Clinic RWTH Aachen University Hospital Aachen Germany
5. Department of Oral and Maxillofacial Surgery RWTH Aachen University Hospital Aachen Germany