1. Department of Oral Pathology & Medicine; University of South Santa Catarina (UNISUL); Tubarão Brazil
2. Department of Oral Pathology & Medicine; Sao Leopoldo Mandic Dental Institute and Research Center; Campinas Brazil
3. Head and Neck Pathology; Viapath LLC, Guy's Hospital; London UK
4. Department of Oral Pathology; King's College London; Guy's Hospital; London UK