Affiliation: | 1. Department of Pathology, University of Cambridge, Cambridge, UK;2. Department of Otorhinolaryngology, Cambridge University Hospitals National Health Service Foundation Trust, Cambridge, UK;3. University College London Cancer Institute, London, UK;4. Department of Histopathology, Cambridge University Hospitals National Health Service Foundation Trust, Cambridge, UK;5. Department of Otolaryngology, Head and Neck Surgery, Bielefeld Academic Teaching Hospital, Bielefeld, Germany;6. Department of Dermatology, Cambridge University Hospitals National Health Service Foundation Trust, Cambridge, UK |