1. Oral Diagnosis Department, Piracicaba Dental School University of Campinas (FOP‐UNICAMP) Piracicaba São Paulo Brazil
2. Head and Neck Surgery Department and LIM 28 University of São Paulo Medical School São Paulo São Paulo Brazil
3. Institute of Science and Technology Federal University of São Paulo (ICT‐Unifesp) São José dos Campos São Paulo Brazil
4. Institute of Mathematics and Computer Sciences of University of São Paulo (ICMC‐USP) São Carlos São Paulo Brazil
5. Unit of Oral and Maxillofacial Pathology, School of Clinical Dentistry University of Sheffield Sheffield UK
6. Section of Hemathology/Oncology, Department of Medicine University of Chicago Chicago Illinois USA
7. University of Chicago Comprehensive Cancer Center Chicago Illinois USA
8. Department of Head and Neck Surgery and Otorhinolaryngology A.C. Camargo Cancer Center São Paulo São Paulo Brazil