1. Consultant in Restorative Dentistry, York Hospital, York
2. Consultant in Orthodontics, Wrexham Maelor Hospital and Glan Clwyd Hospital, Rhyl
3. Consultant in Restorative Dentistry, Royal Blackburn Hospital, Blackburn
4. Consultant in Orthodontics, Pinderfields General Hospital, Wakefield and Leeds Dental Institute, Leeds, UK