1. Department of ENT/Head & Neck Surgery University Hospitals Bristol Bristol UK
2. Department of Oral & Maxillofacial Pathology Bristol Dental School University of Bristol Bristol UK
3. NIHR Bristol Biomedical Research Centre University Hospitals Bristol and University of Bristol Bristol UK
4. Department of Molecular Diagnostics of Oncogenic Infections German Cancer Research Center (DKFZ) Heidelberg Germany
5. Department of Oral & Maxillofacial Surgery University Hospitals Bristol Bristol UK