Affiliation: | 1. Department of Stomatology, Bauru Dental School, USP – University of Sao Paulo, Bauru, Brazil;2. Department of Dentistry, Mario Kroeff Cancer Hospital, Rio de Janeiro, Brazil;3. Department of Oral Medicine, Hospital Sírio-Libanês, Sao Paulo, Brazil;4. Clinical Research Division, National Cancer Institute (INCA), Rio de Janeiro, Brazil |