1. Specialty Registrar in Oral Medicine, Charles Clifford Dental Hospital, Sheffield, S10 2SZ, UK
2. Specialty Registrar in Paediatric Dentistry, Charles Clifford Dental Hospital, Sheffield, S10 2SZ, UK
3. Academic Clinical Fellow in Paediatric Dentistry, Charles Clifford Dental Hospital, Sheffield, S10 2SZ, UK
4. Dental Core Trainee in Paediatric Dentistry, Charles Clifford Dental Hospital, Sheffield, S10 2SZ, UK
5. Consultant and Honorary Senior Clinical Lecturer, Oral Medicine Unit, Charles Clifford Dental Hospital, Sheffield, S10 2SZ, UK
6. Consultant in Paediatric Dentistry, Charles Clifford Dental Hospital, Sheffield, S10 2SZ, UK