1. Specialty Registrar and Associate Clinical Lecturer in Restorative Dentistry, Newcastle Dental Hospital, Richardson Road, Newcastle upon Tyne NE2 4AZ
2. Senior Lecturer in Oral Surgery and Orofacial Pain and Honorary Consultant Oral Surgeon, School of Dental Sciences, Newcastle University
3. Senior Lecturer and Honorary Consultant in Restorative Dentistry, School of Dental Sciences, Newcastle University, Framlington Place, Newcastle upon Tyne, Tyne and Wear NE2 4BW, UK