1. Dental Core Trainee, Aintree University Hospital, Liverpool, UK
2. Specialty Registrar in Oral Surgery, Edinburgh Dental Institute, Edinburgh, UK
3. Consultant Oral and Maxillofacial Surgeon with Special Interest in Head & Neck Oncology & Reconstruction, Manchester Royal Infirmary, Manchester, UK
4. Senior Lecturer/Honorary Consultant in Oral Surgery at University Dental Hospital Manchester, Manchester, UK