1. Department of Pathology; University of Campinas; (UNICAMP); Campinas Brazil
2. Department of Oral Pathology; São Leopoldo Mandic Institute and Research Centre (SLMANDIC); Campinas Brazil
3. Department of Surgery; University of Campinas; (UNICAMP); Campinas Brazil
4. Department of Pathology; Federal University of Pernambuco (UFPE); Recife Brazil