1. Consultant in Periodontics, Glasgow Dental Hospital and School, 378 Sauchiehall Street, Glasgow G2 3JZ, UK
2. Honorary Consultant in Periodontics, Senior Clinical Research Fellow, Infection and Immunity, Glasgow Dental School, College of Medicine, Veterinary and Life Sciences, University of Glasgow, 378 Sauchiehall Street, Glasgow G2 3JZ, UK
3. Consultant in Restorative Dentistry, Glasgow Dental Hospital and School, 378 Sauchiehall Street, Glasgow G2 3JZ, UK