Affiliation: | 1. Stomatology Department, School of Medicine and Dentistry, University of Santiago de Compostela, Spain;2. Department of Preventive Medicine, School of Medicine and Dentistry, University of Santiago de Compostela, Spain;3. Department of Oral Medicine, King's College, Dental Institute, London, United Kingdom;4. Galician Health Service, EOXI Lugo, Cervo e Monforte de Lemos, Lugo, Spain |