1. Specialty Doctor, Department of Oral and Maxillofacial Surgery, Queen Victoria Hospital NHS Foundation Trust, East Grinstead, RH19 3DZ and Clinical Teacher in Oral Surgery, King's College London Dental Institute, London, SE5 9RS
2. General Dental Practitioner, Bricket Wood Dental Practice, 65 Oakwood Road, Bricket Wood, St Albans, Hertfordshire, AL2 3QB
3. Consultant Oral and Maxillofacial Surgeon, Queen Victoria Hospital NHS Foundation Trust, East Grinstead, RH19 3DZ, UK