1. International Research Center - CIPE—A.C.Camargo Cancer Center, São Paulo, Brazil.
2. Faculty of Medicine, University of Sao Paulo State—UNESP, Botucatu, Brazil.
3. Department of Pathology, A.C.Camargo Cancer Center, São Paulo, Brazil.
4. Department of Head and Neck Surgery and Otorhinolaryngology, A.C.Camargo Cancer Center, São Paulo, Brazil.
5. Department of Clinical Genetics, Vejle Hospital, Institute of Regional Health Research, University of Southern Denmark, Vejle, Denmark.