Affiliation: | aSpecialist Registrar in Oral and Maxillofacial Surgery, Department of Oral and Maxillofacial Surgery, The Queen Victoria Hospital NHS Foundation Trust, Holtye Road, East Grinstead, West Sussex RH19 3DZ, UK;bDepartment of Oral and Maxillofacial Surgery, The Queen Victoria Hospital NHS Foundation Trust, Holtye Road, East Grinstead, West Sussex RH19 3DZ, UK |