1. King's College London Dental Institute, London, UK.
2. Newcastle upon Tyne, UK. (Former Senior House Officer, Department of Restorative Dentistry, Guy's and St Thomas’ Hospital NHS Trust.)
3. Eastman Dental Hospital, London, UK. (Former Senior House Officer, Department of Restorative Dentistry, Guy's and St Thomas’ Hospital NHS Trust.)
4. Guy's and St Thomas’ Hospital NHS Trust, London, UK.
5. Surbiton, Surrey, UK. (Former Senior House Officer, Department of Restorative Dentistry, Guy's and St Thomas’ Hospital NHS Trust.)