1. Orthodontic STR, Orthodontic Department, Musgrove Park Hospital, Taunton, UK
2. Orthodontic STR, University of Bristol, Child Dental Health Department, Bristol, UK
3. Professor in Orthodontics, University of Bristol, Child Dental Health Department, Bristol, UK
4. Professor in Biomedical Materials, University of Bristol, Oral and Dental Science, Bristol, UK
5. Professor in Orthodontics, University of Bristol, Oral and Dental Science, Bristol, UK