1. Laboratory of Epithelial Biology, Department of Periodontics & Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109-1078, USA
2. Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília, Brasília, Brazil
3. The Michigan Medicine Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA