Affiliation: | 1. Oral and Maxillofacial Surgery, Maxillofacial Unit, Bradford Teaching Hospitals, National Health Service Foundation Trust, Bradford, UK;2. Department of Histopathology, James Cook University Hospital, Middlesbrough, UK;3. Department of Infectious Diseases, James Cook University Hospital, Middlesbrough, UK;4. Ear/Nose/Throat Department, Darlington Memorial and James Cook University Hospital, Middlesbrough, UK |