1. Consultant in Restorative Dentistry, Department of Restorative Dentistry
2. DipRestDent, StR in Restorative Dentistry, Department of Restorative Dentistry, Liverpool University Dental Hospital, Pembroke Place, Liverpool, Merseyside L3 5PS
3. Consultant in Restorative Dentistry, Manchester University Dental Hospital, Higher Cambridge Stret, Manchester, M15 6FH, UK.