1. Department of Surgery and Medical‐Surgical Specialities University of Santiago de Compostela Santiago de Compostela Spain
2. King's College London WHO Collaborating Centre for Oral Cancer London UK
3. Oral Medicine Valencia University Valencia Spain
4. Department of Stomatology University of Basque Country/EHU Leioa Spain
5. Department of Oral Medicine University of Murcia Hospital Morales Meseguer Murcia Spain
6. Department of Clinical Dental Specialities Complutense University of Madrid Madrid Spain
7. Oral Medicine School of Dentistry University of Granada Granada Spain
8. Department of Dermatology University of Santiago de Compostela Santiago de Compostela Spain
9. USC International School of Doctorate Ciudad Real University Hospital Ciudad Real Spain
10. CS Praza do Ferrol. EOXI Lugo, Cervo e Monforte Department of Surgery and Medical‐Surgical Specialities Galician Health Service Univeristy of Santiago de Compostela Lugo Spain