1. Consultant in Special Care Dentistry, Department of Sedation and Special Care Dentistry, King's College London Dental Institute at Guy's, King's College and St Thomas' Hospitals, Floor 26, Guy's Tower, London SE1 9RT
2. Senior Dental Officer, Brambly's Grange Dental Clinic, Brambly's Drive, Basingstoke, Hants RG21 8UW
3. Head of Dental Department, The Royal Hospital for Neuro-disability, West Hill, Putney, London, SW15 3SW, UK