1. Department of Pathology, University Hospital of Frankfurt, Germany
2. Georg‐Speyer‐Haus, Frankfurt, Germany
3. Institute for Informatics, University of Frankfurt, Germany
4. Department of Oral and Maxillofacial Plastic Surgery, University Hospital of Frankfurt, Germany
5. Department of Otorhinolaryngology, Molecular and Cellular Oncology, University Hospital of Mainz, Germany