1. Specialty Registrar in Orthodontics, Department of Orthodontics, Royal Derby Hospital, Uttoxeter Road, Derby
2. Speech and Language Therapist, Sheffield Children's Hospital, Western Bank, Sheffield, S10 2TH
3. Consultant in Paediatric Dentistry, Department of Paediatric Dentistry, Charles Clifford Dental Hospital, 76 Wellesley Road, Sheffield, S10 2SZ
4. Department of Paediatric Dentistry, Charles Clifford Dental Hospital, 76 Wellesley Road, Sheffield, S10 2SZ
5. Dean/Professor/Honorary Consultant in Paediatric Dentistry, School of Clinical Dentistry, University of Sheffield, Claremont Crescent, Sheffield, S10 2TA, UK