1. Queens Medical Centre, University Hospital NHS Trust, Nottingham, United Kingdom
2. Bristol Dental Hospital, United Bristol Health Care Trust, Bristol, and Musgrove Park Hospital, Taunton and Somerset NHS Trust Taunton, United Kingdom.
3. Department at Musgrove Park Hospital, Taunton and Somerset NHS Trust, Taunton, United Kingdom.
4. Orthodontist at Frenchay Hospital, North Bristol NHS Trust, Bristol, United Kingdom.
5. Frenchay Hospital, North Bristol NHS Trust, Bristol, United Kingdom