1. Postgraduate Student, School of Dentistry, University of Birmingham, Birmingham, United Kingdom.
2. Undergraduate Student, School of Visual Communication. Birmingham City University, Birmingham, United Kingdom.
3. Statistician, School of Medicine, Cardiff University, Cardiff, United Kingdom.
4. Research Fellow, Department of Orthodontics, School of Dentistry, Cardiff University, Cardiff, United Kingdom.
5. Consultant Orthodontist, School of Dentistry, University of Birmingham, Birmingham, United Kingdom.
6. Professor, School of Dentistry, University of Birmingham, Birmingham, United Kingdom.