1 Maxillofacial Unit, Queen Victoria Hospital NHS Foundation Trust, Holtye Road, East Grinstead RH19 3DZ, West Sussex, UK. Electronic address: hannah.linnard@qvh.nhs.uk.
2 Maxillofacial Unit, Queen Victoria Hospital NHS Foundation Trust, Holtye Road, East Grinstead RH19 3DZ, West Sussex, UK.
3 Department of Histopathology, Queen Victoria Hospital NHS Foundation Trust, Holtye Road, East Grinstead RH19 3DZ, West Sussex, UK.