1. Department of Pathology; Biological Sciences Institute; Universidade Federal de Minas Gerais- UFMG; Belo Horizonte Brazil
2. Department of Oral Surgery and Pathology; School of Dentistry; Universidade Federal de Minas Gerais- UFMG; Belo Horizonte Brazil
3. Grupo de Pesquisa em Bioestatística e Epidemiologia Molecular; Department of General Biology; Biological Sciences Institute; Universidade Federal de Minas Gerais- UFMG; Belo Horizonte Brazil