1. Oral Diagnosis Department, Piracicaba Dental School, University of Campinas, Piracicaba 13414-903, SP, Brazil
2. Graduate Program, A.C. Camargo Cancer Center, São Paulo 01508-020, SP, Brazil
3. Samuel Oschin Comprehensive Cancer Center, Cedars-Sinai Health System, Los Angeles, CA 90048, USA
4. Division of Head and Neck Surgery, City of Hope National Medical Center, Duarte, CA 91010, USA
5. Department of Oral & Maxillofacial Diagnostic Sciences, College of Dentistry, University of Florida, Gainesville, FL 32603, USA
6. WHO Collaborating Centre for Oral Cancer and Faculty of Dentistry, Oral and Craniofacial Sciences, King’s College London, Londos WC2R 2LS, UK
7. Medical-Surgical Dentistry Research Group (OMEQUI), Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela (USC), 15782 Santiago de Compostela, Spain