1. Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA;
2. Genetics and Molecular Biology Research Unit, Department of Molecular Biology, School of Medicine of São José do Rio Preto, São Paulo, Brazil;
3. Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil;
4. Department of Oral Biology, School of Dentistry, State University of Campinas, Piracicaba, São Paulo, Brazil;
5. University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, USA