1. Department of Oral Surgery and Pathology; School of Dentistry, Universidade Federal de Minas Gerais (UFMG); Belo Horizonte Brazil
2. Department of Dentistry; Universidade Estadual de Montes Claros (UNIMONTES); Montes Claros Brazil
3. Department of Pathology; Biological Sciences Institute; Universidade Federal de Minas Gerais (UFMG); Belo Horizonte Brazil
4. Stomatology Service; Odilon Behrens Hospital; Belo Horizonte Brazil
5. Centro de Pesquisas René Rachou (CPqRR); FIOCRUZ; Belo Horizonte Brazil