1. Department of Oral Diagnosis; School of Dentistry; University of Campinas; Piracicaba-SP Brazil
2. Unit of Cancer Research and Translational Medicine; Faculty of Medicine; Medical Research Center Oulu; Oulu University Hospital; University of Oulu; Oulu Finland
3. Laboratory of Oral Histopathology; Health Sciences Faculty; University of Brasília; Brasília Brazil
4. Department of Pathology; Institute of Oral and Maxillofacial Disease; HUSLAB; Helsinki University Hospital; University of Helsinki; Helsinki Finland
5. Integrated Biosciences; School of Clinical Dentistry and Sheffield Cancer Centre; University of Sheffield; Sheffield UK