1. Department of Oral and Cranio‐Maxillofacial SurgeryUniversity Hospital Heidelberg Heidelberg Germany
2. Division of Molecular GeneticsGerman Cancer Research Center (DKFZ) Heidelberg Germany
3. Department of Otorhinolaryngology, Head and Neck SurgeryUniversity Hospital Heidelberg Heidelberg Germany
4. Molecular Cell Biology Group, Department of Otorhinolaryngology, Head and Neck SurgeryUniversity Hospital Heidelberg Heidelberg Germany
5. Hamamatsu Tissue Imaging and Analysis Center (TIGA)BIOQUANT, University of Heidelberg Heidelberg Germany
6. Institute of PathologyUniversity Hospital Heidelberg Heidelberg Germany
7. Tissue Bank of the National Center for Tumor Diseases (NCT) Heidelberg Germany
8. Research Group Molecular Mechanisms of Head and Neck TumorsGerman Cancer Research Center (DKFZ) Heidelberg Germany