1. Specialist Registrar/Honorary Clinical Lecturer in Restorative Dentistry, Birmingham Dental Hospital
2. General Dental Practitioner, Worcester
3. Professor in Restorative Dentistry/Honorary Consultant in Restorative Dentistry, The University of Birmingham
4. Senior Clinical Lecturer/Honorary Consultant in Restorative Dentistry, The University of Birmingham, St Chad's Queensway, Birmingham B4 6NN, UK