1. Consultant Special Care Dentistry, King's College London Dental Institute, Department of Community Special Care Dentistry, King's College Hospital NHS Foundation Trust, London, UK
2. Chairperson of the Specialist Advisory Group in Special Care Dentistry/Senior Lecturer and Consultant in Special Care Dentistry, Department of Sedation and Special Care Dentistry, King's College London Dental Institute (Retired), London, UK
3. Consultant Special Care Dentistry, King's College London Dental Institute, Department of Community Special Care Dentistry, King's College Dental Hospital NHS Foundation Trust, London, UK
4. Senior Lecturer/Academic Lead for Special Care Dentistry, Senior Lecturer, King's College London Dental Institute, London, UK