1. Pathology Graduate Program; Fluminense Federal University (UFF); Niterói; Brazil
2. Clinical University Hospital San Cecilio of Granada; University of Granada; Granada; Spain
3. Preventive and Public Health in Dentistry Department; University of Granada; Granada; Spain
4. Oncology Graduate Program; National Cancer Institute; Rio de Janeiro; Brazil
5. Pathology Division; National Cancer Institute; Rio de Janeiro; Brazil
6. Department of Oral Medicine; School of Dentistry; University of Granada; Granada; Spain