1. Medicine and Oral Surgery Department University Institute of Health Sciences (IUCS), UNIPRO, CESPU Gandra Portugal
2. Oral Medicine Department Guy's & St Thomas' NHS Foundation Trust London UK
3. Special Care Dentistry Unit, School of Medicine and Dentistry University Santiago de Compostela Santiago de Compostela Spain
4. Dipartimento di Scienze Biomediche, Chirurgiche e odontoiatriche Università degli Studi di Milano Milano Italy
5. Faculty of Dentistry, Oral & Craniofacial Sciences King's College London London UK
6. Oral Surgery Department University of Bordeaux Bordeaux France
7. Oral Medicine Department, School of Dental Medicine University of Zagreb Zagreb Croatia
8. The WHO Collaborating Centre for Oral Cancer London UK