1. Oral Diagnosis Department, Semiology and Oral Pathology Areas, Piracicaba Dental School State University of Campinas (UNICAMP) Piracicaba São Paulo Brazil
2. Oral Medicine, Oral Oncology and Dentistry, Miami Cancer Institute Baptist Health South Florida Miami Florida USA
3. Herbert Wertheim College of Medicine Florida International University Miami Florida USA
4. Department of Oral & Maxillofacial Diagnostic Sciences University of Florida Gainesville Florida USA
5. Department of Oral Pathology School of Dentistry Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Rio Grande do Sul Brazil