1. Specialist Registrar in Orthodontics, Leeds Dental Institute and York Teaching Hospital, UK
2. Consultant Orthodontist, Bristol Dental School, University of Bristol, UK
3. Specialist Practitioner, Cathedral Orthodontics, Cardiff, UK
4. Academic Clinical Lecturer in Orthodontics, Bristol Dental School, University of Bristol, UK
5. Senior Clinical Teaching Fellow in Restorative Dentistry, Bristol Dental School, University of Bristol, UK
6. Professor of Orthodontics and Dean of Health Sciences, Bristol Dental School, University of Bristol, UK
7. Professor of Orthodontics, Bristol Dental School, University of Bristol, UK