1. Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos 14784-400, Brazil
2. Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (UNESP), São José dos Campos 12224-300, Brazil
3. International Research Center, A.C. Camargo Cancer Center, São Paulo 01508-010, Brazil
4. Head and Neck Surgery and Otorhinolaryngology Department, AC Camargo Cancer Center, Latin American Cooperative Oncology Group, São Paulo 01509-010, Brazil
5. Head and Neck Surgery Department and LIM 28, University of São Paulo Medical School, São Paulo 01246-903, Brazil
6. Center for Translational Research in Oncology, Cancer Institute of the State of São Paulo (ICESP), São Paulo 01246-000, Brazil
7. Clinical Hospital of the University of Sao Paulo Medical School (HCFMUSP), São Paulo 05403-010, Brazil
8. Department of Clinical Genetics, University Hospital of Southern Denmark, 7100 Vejle, Denmark
9. Institute of Regional Health Research, University of Southern Denmark, 5230 Odense, Denmark